2AQY4-K241K2 Smart Lock Box

K221/K241 YEEUU K2 Smart Lock Box What’s in the BoxLock Box Parts Install the lock Box Technical Details Installation and Operation Guide ( V1.0 ) · Please follow the instructions in sequential order. · Please read all the instructions before contacting customer support. · You must use 3 AAA Alkaline Batteries Style: K221(Password) K241(Fingerprint&Password) Product Dimensions: L123mm*W73mm*H50.6mm Shackle Dimensions: 36mm*36mm*10mm Box Space: L98mm*W63mm*H25mm Access Methods: K221(Password): Smart Phone, Password K241(Fingerprint&Password): Smart Phone, Fingerprint, Password Storage Capacity: K221: 100 PCs of Passwords K241: 100 PCs of Fingerprints&Password (Fingerprints<50PCs) Power Supply 3 AAA Alkaline Batteries Battery Life: Up to 12 Months (Unlock 10 times a Day) Box MaterialAluminum Alloy Emergency Power Supply InterfaceType-C Operation Temperature 3 x Alkaline AAA Batteries: -4 °F ~ 158 °F (-20°C to 70°C) 2 x CR123A Batteries: -40 °F ~ 158 °F(-40to70) 1.Installation Guide 1.1 Determine your Installation Type 1.2 Wooden door/Self-tapping Screws 1.3 Cement, concrete, brick , stone/Expansion Screw Step 1. Open the lock box, take out the 2 screws used to fix the rubber plug (or shackle). Step 2. Take out the 2 rubber plugs. Step 3. Fix the shackle on the lock box, tighten it with the 2 screws you took out before. For after-sale services, please contact with [email protected]. Important Notes Drill Template X1 K221/K241 Smart Lock Box x1 Self-Tapping Screw 15mmX4 Expansion Bolt 30mm X4 Shackle x1 36mm*36mm*10mm Expansion Screw 30mmX4 Battery Cover Screw Battery Cover Screw Driver Groove Screw Hole Shackle Screw Shackle Hole Shackle Storage Space Box Cover Fingerprint Area Touch Keypad 3M Tape Box Base Installation GuideX1 *For the replacement of the low temperature resistant battery holder, please refer to ‘Replacing the Battery Holder’. *Concrete can be challenging for drilling. If you are not experienced with drilling into our particular type of concrete, you may want to consider a professional installation. **Depends on the subsurface. Test drill a very small pilot hole to determine the surface to which you are ultimately fastening. Hard subsurfaces may require a masonry drill bit. Please scan the QR Code above to watch our easy step by step installation video, these steps will help with installation of K2. SURFACE Cement Brick Concrete Stone Wood Glass Expansion Bolt +Expansion Screw Self-tapping Screw 3M / / Ø 6 drill bit INSTALLATION TYPEDRILL BIT NEEDED 10 11 1 2 3 4 5 6 7 8 9 10 11 12 13 12 7 6 5 4 3 1 2 9 4 4 13 8 6 1.4 Handle/Shackle Step 1. Use the drill template to position 4 drilling points on the door. Step 2. Open the lock box, align the drill holes with the screw holes on the box. Step 3. Secure it with 4 self-tapping screws. Step 1. Use the drill template to position 4 drilling points on the wall. Step 2. Drill the marked holes with electric drill (30mm depth), insert the expansion bolts. Step 3. Open the lock box, align the drilling holes and the screw holes on the box, insert the expansion screws into the expansion bolts. Step 4. Tighten the screws. 2.1 Connect app 2.2 In-app set up 2.3 In-app Management 2.4 Lock Status Make sure the lock box is in Factory Default Mode. Search and download “Yeeuu” in App Store (iOS) and Google Play (Android). Step 1: Select the device on the “Home” page and go to “ Set” page. Step 1 2.2.1 Fingerprint Setting (Only for K241 Fingerprint Version) 2.2.2 Password Setting (For K221 & K241 Version) 2.2.3 Smart Phone Unlock Sign in to your existing Yeeuu account, or create an account by choosing “Register”. Step 2 Select the device on the “Home” page and click in. Step 1 Select the device on the “Home” page and click “ ” on the top right-hand corner. Step 1 Tap “Remove Device”----“Disconnect and wipe data” , confirm the choice. Step 2 Tap “Click to Unlock” , and choose “ Confirm” to unlock. Step2 Open the battery cover and take out the batteries inside. The specific operation for replacing the battery holder is as follows: FCC Compliance Statement: This device complies with Part 15 of the FCC rules. Operation is subjected to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void your authority to operate the equipment. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Step 1 Pull out the battery connector carefully. Step2 Take out the original battery holder. Step 3 Insert the connector of the low temperature resistant holder. Step4 Install the low temperature resistant holder. Step5 2.3.1 Alarm Record Check the unusual attempts of the lock in “Alarm”. Low battery status: Yellow light blink 2 times. Operation Failed: Red light blink 2 times, buzz 2 times. Error Lock: Red light blink 5 times. Box Unclosed Alarm: Buzz 5 times, 2 seconds at a time. 2.3.2 Opening Record Check the lock and unlock records in “ Opening Record.” 2.3.3 Reset the Lock Box Turn on the Bluetooth on your sma…

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Dongguan Dongdian Testing Service Co., Ltd. Report No.:DDT-R21062916-2E01 Page 61 of 75 15. Photos of the EUT K241 Dongguan Dongdian Testing Service Co., Ltd. Report No.:DDT-R21062916-2E01 Page 62 of 75 Dongguan Dongdian Testing Service Co., Ltd. Report No.:DDT-R21062916-2E01 Page 63 of 75 Dongguan Dongdian Testing Service Co., Ltd. Report No.:DDT-R21062916-2E01 Page 64 of 75 Dongguan Dongdian Testing Service Co., Ltd. Report No.:DDT-R21062916-2E01 Page 69 of 75 K221 Dongguan Dongdian Testing Service Co., Ltd. Report No.:DDT-R21062916-2E01 Page 70 of 75 Dongguan Dongdian Testing Service Co., Ltd. Report No.:DDT-R21062916-2E01 Page 71 of 75 Dongguan Dongdian Testing Service Co., Ltd. Report No.:DDT-R21062916-2E01 Page 72 of 75

K2SmartLockBox Model:K241 FCCID:2AQY4-K241 Input:5V0.2Aor 4.5V(3xAlkalineAAAbatteries) www.yeeuu.com Madeinchina

Dongguan Dongdian Testing Service Co., Ltd. Report No.:DDT-R21062916-2E01 Page 65 of 75 Dongguan Dongdian Testing Service Co., Ltd. Report No.:DDT-R21062916-2E01 Page 66 of 75 Dongguan Dongdian Testing Service Co., Ltd. Report No.:DDT-R21062916-2E01 Page 67 of 75 2.4G Antenna Dongguan Dongdian Testing Service Co., Ltd. Report No.:DDT-R21062916-2E01 Page 68 of 75 Dongguan Dongdian Testing Service Co., Ltd. Report No.:DDT-R21062916-2E01 Page 69 of 75 Dongguan Dongdian Testing Service Co., Ltd. Report No.:DDT-R21062916-2E01 Page 73 of 75 K221 Dongguan Dongdian Testing Service Co., Ltd. Report No.:DDT-R21062916-2E01 Page 74 of 75 Dongguan Dongdian Testing Service Co., Ltd. Report No.:DDT-R21062916-2E01 Page 75 of 75 END OF REPORT 2.4G Antenna

Dongguan Dongdian Testing Service Co., Ltd Report No.:DDT-R21062916-2E05 Page 1 of 6 RF EXPOSURE REPORT FOR Issued By: Dongguan Dongdian Testing Service Co., Ltd. Add: No. 17, Zongbu Road 2, Songshan Lake Sci&Tech, Industry Park, Dongguan City, Guangdong Province, China, 523808 Tel: +86-0769-38826678, E-mail: [email protected], http://www.dgddt.com Applicant : Shenzhen Kaadas Intelligent Technology co., Ltd. Address : Floor 9, Building B, Tsinghua Hi-Tech Park, Nanshan District, Shenzhen, Guangdong, 518000, China Equipment under Test : K2 Smart Lock Box Model No. : K241, K221 Trade Mark : YEEUU FCC ID : 2AQY4-K241 Manufacturer : Shenzhen Kaadas Intelligent Technology co., Ltd. Address : Floor 9, Building B, Tsinghua Hi-Tech Park, Nanshan District, Shenzhen, Guangdong, 518000, China ■Report No.: DDT-R21062916-2E05 ■Issued Date: Aug. 20, 2021 Dongguan Dongdian Testing Service Co., Ltd Report No.:DDT-R21062916-2E05 Page 2 of 6 Table of Contents Test report declares........................................................................................................3 1. General information ........................................................................................................ 5 1.1. Description of Equipment ............................................................................................... 5 1.2. Assess laboratory ........................................................................................................... 5 2. RF Exposure evaluation for FCC ................................................................................... 6 Dongguan Dongdian Testing Service Co., Ltd Report No.:DDT-R21062916-2E05 Page 3 of 6 TEST REPORT DECLARE Standard Used: KDB447498 D01 General RF Exposure Guidance v06 We Declare: The equipment described above is assessed by Dongguan Dongdian Testing Service Co., Ltd and in the configuration assessed the equipment complied with the standards specified above. The assessed results are contained in this report and Dongguan Dongdian Testing Service Co., Ltd is assumed of full responsibility for the accuracy and completeness of these assess. After evaluation, our opinion is that the equipment In Accordance with above standard. Report No: DDT-R21080304-2E03 Date of Receipt: Aug. 03, 2021 Date of Test: Aug. 03, 2021 ~ Aug. 20, 2021 Prepared By: Approved By: ____________________ ______________________ Jacky Huang/Engineer Damon Hu/EMC Manager Note: This report applies to above tested sample only. This report shall not be reproduced in parts without written approval of Dongguan Dongdian Testing Service Co., Ltd. Applicant : Shenzhen Kaadas Intelligent Technology co., Ltd. Address : Floor 9, Building B, Tsinghua Hi-Tech Park, Nanshan District, Shenzhen, Guangdong, 518000, China Equipment under Test : K2 Smart Lock Box Model No. : K241, K221 Trade mark : YEEUU Manufacturer : Shenzhen Kaadas Intelligent Technology co., Ltd. Address : Floor 9, Building B, Tsinghua Hi-Tech Park, Nanshan District, Shenzhen, Guangdong, 518000, China E S T T I N N A I G D S G E N R O V D I C E N A C U O G . , G L N T O D D . Dongguan Dongdian Testing Service Co., Ltd Report No.:DDT-R21062916-2E05 Page 4 of 6 Revision history Rev. Revisions Issue Date Revised By --- Initial issue Aug. 20, 2021 Dongguan Dongdian Testing Service Co., Ltd Report No.:DDT-R21062916-2E05 Page 5 of 6 1. General information 1.1. Description of Equipment 1.2. Assess laboratory Dongguan Dongdian Testing Service Co., Ltd. Add: No. 17, Zongbu Road 2, Songshan Lake Sci&Tech, Industry Park, Dongguan City, Guangdong Province, China, 523808 Tel: +86-0769-38826678, http://www.dgddt.com, Email: [email protected] CNAS Accreditation No. L6451; A2LA Accreditation Number: 3870.01 FCC Designation Number: CN1182, Test Firm Registration Number: 540522 Innovation, Science and Economic Development Canada Site Registration Number: 10288A Conformity Assessment Body identifier: CN0048 VCCI facility registration number: C-20087, T-20088, R-20123, G-20118 EUT* Name : K2 Smart Lock Box Model Number : K241, K221 Difference of model number : Both models are identical except the appearance and K241 add a fingerprint module. EUT Function Description : Please reference user manual of this device Power Supply : Battery 4.5V (“AAA” Size *3) Type C port input: DC 5V Radio Specification : Bluetooth V4.2 Operation Frequency : 2402 MHz - 2480 MHz Modulation : GFSK Data Rate : 1 Mbps Antenna Gain : Max:3.37dBi Sample Type : Series production Dongguan Dongdian Testing Service Co., Ltd Report No.:DDT-R21062916-2E05 Page 6 of 6 2. RF Exposure evaluation for FCC According to 447498 D01 General RF Exposure Guidance v06 The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] ·[√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where: f(GHz) is the RF channel transmit frequency in GHz Power and distance are rounded to the nearest mW and mm before calculation The result is rounded to one decimal place for comparison Worse case is as below: [2402MHz, -3.79dBm 0.418mW) output power] (0.418/5) ·[√2.402(GHz)] =0.13<3.0 for 1-g SAR Then SAR evaluation is not required END OF REPORT

Dongguan Dongdian Testing Service Co., Ltd. Report No.:DDT-R21062916-2E01 Page 1 of 75 FCC CERTIFICATION TEST REPORT FOR Issued By: Dongguan Dongdian Testing Service Co., Ltd. Add.: No. 17, Zongbu Road 2, Songshan Lake Sci&Tech, Industry Park, Dongguan City, Guangdong Province, China, 523808 Tel.: +86-0769-38826678, E-mail: [email protected], http://www.dgddt.com Applicant : Shenzhen Kaadas Intelligent Technology co., Ltd. Address : Floor 9, Building B, Tsinghua Hi-Tech Park, Nanshan District, Shenzhen, Guangdong, 518000, China Equipment under Test : K2 Smart Lock Box Model No. : K241, K221 Trade Mark : YEEUU FCC ID : 2AQY4-K241 Manufacturer : Shenzhen Kaadas Intelligent Technology co., Ltd. Address : Floor 9, Building B, Tsinghua Hi-Tech Park, Nanshan District, Shenzhen, Guangdong, 518000, China ■Report No.: DDT-R21062916-2E01 ■Issued Date: Aug. 16, 2021 Dongguan Dongdian Testing Service Co., Ltd. Report No.:DDT-R21062916-2E01 Page 2 of 75 Table of Contents Test report declares...........................................................................................................4 1. Summary of Test Results ................................................................................................... 6 2. General Test Information ................................................................................................... 7 2.1. Description of EUT............................................................................................................. 7 2.2. Accessories of EUT ........................................................................................................... 8 2.3. Assistant equipment used for test ..................................................................................... 8 2.4. Block diagram of EUT configuration for test ...................................................................... 8 2.5. Deviations of test standard ................................................................................................ 8 2.6. Test environment conditions .............................................................................................. 8 2.7. Test laboratory ................................................................................................................... 9 2.8. Measurement uncertainty .................................................................................................. 9 3. Equipment Used During Test ........................................................................................... 10 4. 6 dB Bandwidth and 99% Bandwidth .............................................................................. 12 4.1. Block diagram of test setup ............................................................................................. 12 4.2. Limits ................................................................................................................................ 12 4.3. Test procedure ................................................................................................................. 12 4.4. Test result ........................................................................................................................ 13 5. Maximum Peak Output Power ......................................................................................... 16 5.1. Block diagram of test setup ............................................................................................. 16 5.2. Limits ................................................................................................................................ 16 5.3. Test procedure ................................................................................................................. 16 5.4. Test result ........................................................................................................................ 16 5.5. Test graphs ...................................................................................................................... 17 6. Power Spectral Density ................................................................................................... 19 6.1. Block diagram of test setup ............................................................................................. 19 6.2. Limits ................................................................................................................................ 19 6.3. Test procedure ................................................................................................................. 19 6.4. Test result ........................................................................................................................ 19 6.5. Test graphs ...................................................................................................................... 20 7. Band Edge Compliance (Conducted Method)................................................................. 22 7.1. Block diagram of test setup ............................................................................................. 22 7.2. Limits ................................................................................................................................ 22 7.3. Test procedure ................................................................................................................. 22 7.4. Test result ........................................................................................................................ 23 7.5. Test graphs ...................................................................................................................... 23 8. RF Conducted Spurious Emissions ................................................................................. 24 Dongguan Dongdian Testing Service Co., Ltd. Report No.:DDT-R21062916-2E01 Page 3 of 75 8.1. Block diagram of test setup ............................................................................................. 24 8.2. Limits ...............…

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Dongguan Dongdian Testing Service Co., Ltd. Report No.:DDT-R21062916-2E01 Page 59 of 75 14. Test Setup Photograph Dongguan Dongdian Testing Service Co., Ltd. Report No.:DDT-R21062916-2E01 Page 60 of 75