2A4KZ-K12Smart Door Lock

1 Smart Electronic Lock Instruction Manual 2 一、Specification Parameters Serial Number Parameter Name Specification Parameters 1 False Reject Rate(FRR) ≤0.1% 2 False recognition rate <0.001% 3 User Capacity Total Capacity：250 sets Up to 100 fingerprints Up to 100 sets of passwords Up to 50 sets of facial and palmar veins 4 Working Voltage 7.0V~8.4V， Low voltage alarm voltage 6.8 ± 0.2V 5 Dynamic Power ≤ 1A (no motor action, no playback sound) 6 Static Power Consumption ≤ 200uA (average power consumption) 7 Verification Time ≤ 3S (including the entire process of fingerprint collection, comparison, and unlocking signal output) 8 Antistatic Ability ≥ 8KV (contact type) ≥ 15KV (non-contact type) 9 Storage Temperature -25°C~80°C 10 Operation Temperature -25°C~70°C 11 Ambient Humidity 15%RH~93%RH 3 二、Operating Manual 4 2.1 Create Administrator Password To use it for the first time, you need to create an administrator password. The steps are as follows: 1. Wake up the screen and press {*} → {#} in sequence to enter the add interface. 2. Enter a 6-8 digit password according to the voice prompt, press the {#} key to confirm, then re-enter the same password and press the {#} key again to confirm. 3. After the system voice broadcasts "User: 000, Add Success", the settings are completed and you can enter the main menu. Prompt：The administrator password user 000 has the highest authority and can be used to generate temporary and one-time passwords. Please keep them safe. 2.2 Add User 1. Wake up the screen, press the {*} key and then the {#} key to enter the management user information and enter the menu. 2. Press {1}Add User - {1} Add admin or {2} Add user to select the user type. 3. Press {1} Add FP PwdCard, {2} Add Face, or {3} Add Palm to select the user type. 4. Complete the corresponding input according to the voice prompt： ⚫ Fingerprint：Place the fingerprint sensor with your finger, and upon hearing 'Press again', repeat placing the same finger until complete. ⚫ Password：Enter a 6-8 digit password and press the {#} key to confirm. ⚫ Face：After hearing 'Enroll face', place the face parallel to the camera for 40-80CM and follow the prompts to enter continuously. ⚫ Palm：After hearing "Please place your palm in front of the camera", place your hand parallel to the camera 10~25CM and enter as prompted. 5. Voice broadcast "User：* * *, Add Success" indicates successful addition. Prompt： ⚫ Manage user number ranges：000-009（10 people in total）。 ⚫ Ordinary user number ranges：010-249（240 people in total）。 2.3 Delete User 2.3.1 Verify the deletion of users 1. Enter the menu， press {2} Delete User - {1} Verify Delete. 2. Select the corresponding verification method based on the user type: ⚫ Fingerprint：Place the finger to delete the fingerprint on the fingerprint sensor. ⚫ Password：Enter the password of the user to be deleted. ⚫ Face：The user to be deleted is facing the camera directly (at a distance of 40-80CM). ⚫ Palm：Place the palm to be removed in front of the camera（at a distance of 10-25CM）。 3. After the system verification is passed, the corresponding user will be automatically deleted. Prompt：Managing user * * *, entering the menu, the corresponding user cannot be deleted. 2.3.2Delete users by number 1. Enter the menu, press {2} Delete User - {2} Delete By ID 2. Enter the user ID to be deleted, for example: 010. 3. If the user exists, the system voice broadcasts: "User ***, Delete Success"; If it does not exist, announces: "Delete Failure". 5 2.4 System Setting 2.4.1 Time Setting 1. Enter the menu，press {3} System Setting - {1} Datetime Set. 2. Enter the time in the format of 20xx year xx month xx day xx hour xx minute (e.g. January 1, 2025 0:00, enter 2501010000). 3. The system reports' Success 'to complete the setup. 2.4.2 Opening Direction 1. Enter the menu，press {3} System Setting - {2} Install Set - {1} Direction. 2. Press {1} to switch the Direction to "left open" or "right open". Prompt：The direction of opening the door is subject to the opening and closing direction of the door leaf when standing outside the door to unlock. 2.4.3 Delayed Locking 1. Enter the menu and press {3} System Setting - {2} Install Set - {2} Delay Lock. 2. Press {2} "Delay Lock" to switch the delay lock time: off, 10S, 15S, 20S, 25S. Prompt：After turning on the delay lock, it will be automatically locked when the set time is reached after unlocking. Please close the door before the end of the delay to avoid damage to the lock body due to not closing the door. 2.4.4 Anti-prying Alarm 1. Enter the menu，press {3} System Setting - {2} Install Set - {3} Lock Set - {1} TamperAlarm. 2. Press {1} to switch the anti pry alarm to "off" or "on"。 Prompt：After opening, if the door lock is pried, the system will play an alarm sound; If the device is connected to the internet, synchronously push alarm information to the mobile phone. 2.4.5 Motor Torque 1. Enter the menu, press {3} System Setting - {2} Install Set - {3} Lock Set - {2} Motor Torque. 2. Press {2} to switch the motor torque gear: weak, medium, strong. Prompt：If the switch lock is difficult, it may be that the torque of the motor is insufficient, so it is recommended to adjust the torque to "strong" gear. 2.4.6 Lock Back Time 1. Enter the menu, press {3} System Setting - {2} } Install Set - {3} Lock Set - {3} Lock back. 2. Press {3} to switch back to Lock back (2-9 seconds). Prompt：The lock-back time is the delay time of automatic rebound reset of the lock tongue (oblique tongue) after closing the door. 2.4.7 Dwell Alert 1. Enter the menu，press {3} System Setting - {2} Install Set - {3} Lock Set - {4} Dwell Alert. 2. Press {4} to switch the Dwell Alert time: 15S, 20S, 25S, and turn off. Prompt：If it is detected that the alarm time of human staying reaches the set value (such as 20 seconds) within 1 minute, the system will trigger an alarm and push a message to the equipment with network distribution. 6 2.4.8 Human Body Induction 1. Enter the menu, press {3} System Setting…

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Shenzhen HTT Technology Co., Ltd. Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 1 of 32 Product Name: Smart Door Lock Model No.: K12 EUT Constructional Details External Photo Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 2 of 32 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 3 of 32 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 4 of 32 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 5 of 32 Product Name: Smart Door Lock Model No.: K01 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 6 of 32 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 7 of 32 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 8 of 32 Product Name: Smart Door Lock Model No.: K02 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 9 of 32 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 10 of 32 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 11 of 32 Product Name: Smart Door Lock Model No.: K04 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 12 of 32 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 13 of 32 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 14 of 32 Product Name: Smart Door Lock Model No.: K05 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 15 of 32 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 16 of 32 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 17 of 32 Product Name: Smart Door Lock Model No.: K10 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 18 of 32 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 19 of 32 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 20 of 32 Product Name: Smart Door Lock Model No.: K11 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. …

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Label and Location Size: L: 3.0cm*W: 2.0cm Label and Location FCC ID : 2A4KZ-K12

Shenzhen HTT Technology Co., Ltd. Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 1 of 50 Product Name: Smart Door Lock Model No.: K12 EUT Constructional Details Internal Photo Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 2 of 50 WIFI ANT Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 3 of 50 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 4 of 50 13.56MHz ANT Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 5 of 50 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 6 of 50 Product Name: Smart Door Lock Model No.: K01 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 7 of 50 WIFI ANT Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 8 of 50 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 9 of 50 13.56MHz ANT Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 10 of 50 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 11 of 50 Product Name: Smart Door Lock Model No.: K02 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 12 of 50 WIFI ANT Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 13 of 50 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 14 of 50 13.56MHz ANT Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 15 of 50 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 16 of 50 Product Name: Smart Door Lock Model No.: K04 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 17 of 50 WIFI ANT Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 18 of 50 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 19 of 50 13.56MHz ANT Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 20 of 50 Report No.: HTT202606334 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Build…

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Shenzhen HTT Technology Co., Ltd. Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 1 of 10 RF Exposure MPE Report Reference No. ..................... : FCC ID............................................. : HTT202606334F03 2A4KZ-K12 Compiled by ( position+printed name+signature) . : File administrators Heber He Supervised by ( position+printed name+signature) . : Project Engineer Bruce Zhu Approved by ( position+printed name+signature) . : RF Manager Kevin Yang Date of issue .................................... : Aug. 20, 2026 Testing Laboratory Name .............. : Shenzhen HTT Technology Co.,Ltd. Address............................................ : 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao’an District, Shenzhen, Guangdong, China Applicant’s name ............................ : Zhongshan Kaisen Technology Co., Ltd Address............................................ : Room 301, No.30, Wansheng Road, Xiaolan Town, Zhongshan City Standard ........................................... : 47CFR §1.1310 47CFR §2.1091 KDB447498 D01 General RF Exposure Guidance v06 Shenzhen HTT Technology Co.,Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HTT Technology Co.,Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HTT Technology Co.,Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : Smart Door Lock Manufacturer .................................... : Zhongshan Kaisen Technology Co., Ltd Trade Mark ........................................ N/A Model/Type reference ...................... : K12 Rating ............................................... : Internal 7.4 V DC lithium-ion battery or external 5 V DC via Type-C Result ............................................... : PASS Report No.: HTT202606334F03 Page 2 of 10 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 2 of 10 T E S T R E P O R T Equipment under Test : Smart Door Lock Model /Type : K12 Listed Models : K01,K02,K04,K05,K10,K11,K13,K14,K15 Model Declaration The multiple product models covered under this certification are electrically identical. Differences between models are limited exclusively to cosmetic aspects (color and outer enclosure). No changes have been made to the internal PCB, RF circuit, antenna hardware or firmware. Applicant : Zhongshan Kaisen Technology Co., Ltd Address : Room 301, No.30, Wansheng Road, Xiaolan Town, Zhongshan City Manufacturer : Zhongshan Kaisen Technology Co., Ltd Address : Room 301, No.30, Wansheng Road, Xiaolan Town, Zhongshan City Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: HTT202606334F03 Page 3 of 10 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 3 of 10 Contents 1 T E S T S T A N D A R D S .......................................................... 4 2 S U M M A R Y ...................................................................... 5 2.1 General Remarks ................................................................................................................ 5 2.2 Product Description ........................................................................................................... 5 2.3 Special Accessories ........................................................................................................... 6 2.4 Modifications ....................................................................................................................... 6 3 T E S T E N V I R O N M E N T ....................................................... 7 3.1 Address of the test laboratory ........................................................................................... 7 3.2 Test Facility ......................................................................................................................... 7 3.3 Statement of the measurement uncertainty ..................................................................... 7 4 T E S T L I M I T .................................................................... 8 4.1 Requirement ........................................................................................................................ 8 4.2 MPE Calculation Method .................................................................................................... 8 4.3 Conducted Power Results ................................................................................................. 9 4.4 Manufacturing tolerance .................................................................................................... 9 4.5 Standalone MPE Result ...................................................................................................... 9 4.6 Simultaneous Transmission for MPE Result ................................................................. 10 5 C O N C L U S I O N ............................................................... 10 Report No.: HTT202606334F03 Page 4 of 10 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangche…

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Shenzhen HTT Technology Co., Ltd. FCC PART 15 SUBPART C TEST REPORT FCC PART 15.225 Report Reference No. ..................... : FCC ID. ........................................... : HTT202606334F02 2A4KZ-K12 Compiled by ( position+printed name+signature) .. : File administrators Heber He Supervised by ( position+printed name+signature) .. : Project Engineer Bruce Zhu Approved by ( position+printed name+signature) .. : RF Manager Kevin Yang Date of issue ..................................... : Aug. 20, 2026 Testing Laboratory Name .............: Shenzhen HTT Technology Co.,Ltd. Address ............................................ : 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao’an District, Shenzhen, Guangdong, China Applicant’s name ............................ : Zhongshan Kaisen Technology Co., Ltd Address ............................................ : Room 301, No.30, Wansheng Road, Xiaolan Town, Zhongshan City Test specification ...........................: Standard ........................................... : FCC Part 15.225 Shenzhen HTT Technology Co.,Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HTT Technology Co.,Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HTT Technology Co.,Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : Smart Door Lock Trade Mark ....................................... : N/A Manufacturer .................................... : Zhongshan Kaisen Technology Co., Ltd Model/Type reference....................... : K12 Listed Models .................................. : K01,K02,K04,K05,K10,K11,K13,K14,K15 Modulation Type ............................... : ASK Operation Frequency ........................ : 13.56MHz Rating ............................................... : Internal 7.4 V DC lithium-ion battery or external 5 V DC via Type-C Result................................................ : PASS Report No.: HTT202606334F02 Page 2 of 40 T E S T R E P O R T Equipment under Test : Smart Door Lock Model /Type : K12 Listed Models : K01,K02,K04,K05,K10,K11,K13,K14,K15 Model Declaration The multiple product models covered under this certification are electrically identical. Differences between models are limited exclusively to cosmetic aspects (color and outer enclosure). No changes have been made to the internal PCB, RF circuit, antenna hardware or firmware. Applicant : Zhongshan Kaisen Technology Co., Ltd Address : Room 301, No.30, Wansheng Road, Xiaolan Town, Zhongshan City Manufacturer : Zhongshan Kaisen Technology Co., Ltd Address : Room 301, No.30, Wansheng Road, Xiaolan Town, Zhongshan City Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: HTT202606334F02 Page 3 of 40 Contents 1 T E S T S T A N D A R D S ......................................................................... 4 2 S U M M A R Y .................................................................................... 5 2.1 General Remarks .......................................................................................................................................... 5 2.2 Product Description ..................................................................................................................................... 5 2.3 Equipment Under Test ................................................................................................................................. 5 2.4 Block Diagram of Test Setup ...................................................................................................................... 5 2.5 Special Accessories ..................................................................................................................................... 6 2.6 Related Submittal(s) / Grant (s) ................................................................................................................... 6 2.7 Modifications ................................................................................................................................................ 6 3 T E S T E N V I R O N M E N T ...................................................................... 7 3.1 Address of the test laboratory .................................................................................................................... 7 3.2 Test Facility ................................................................................................................................................... 7 3.3 Environmental conditions ........................................................................................................................... 7 3.4 Test Description ........................................................................................................................................... 8 3.5 Statement of the measurement uncertainty .............................................................................................. 8 3.6 Equipments Used during the Test .............................................................................................................. 9 4 T E S T C O N D I T I O N S A N D R E S U L T S .................................................. 10 4.1 AC Power Conducted Emission ................................................................................................................ 10 4.2 Radiated Emission ...................................................................................................................................…

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