2AOTUKDDY109CControl Box

1 KDDY109C + KDH231 Functional specification of one control and two control systems 一、 System configuration diagram 二、Handset 2 1、Handset function： Key designator function 1 Short press the light strip to turn on, and short press the light strip again to turn off； 2 Short press the button, and the push rod will run to a fixed position and stop; Press and hold for 3s to set the memory position (the previous position is covered, the backlight flashes for 3 seconds, and the buzzer at the receiving end of the control box beeps 1 time), after the memory position, short press the fader to run to the current position; 3 Press to turn on the flashlight, release it and extinguish; 4 Short press the button, and the push rod will run to a fixed position and stop; Press and hold for 3s to set the memory position (the previous position is covered, the backlight flashes for 3 seconds, and the buzzer at the receiving end of the control box beeps 1 time), after the memory position, short press the fader to run to the current position; 5 Press and hold for 3s, the background light flashes quickly for 3 seconds, and the supporting control box beeps 1 time, the child lock function is turned on, at this time, pressing any key is invalid and the backlight flashes twice. If you press and hold for 3s again, the background light flashes quickly for 3 seconds, and the supporting control box beeps 1 time, the child lock function is turned off, and the handset is used normally; 6 Short press the button, and the push rod will run to a fixed position and stop; Press and hold for 3s to set the memory position (the previous position is covered, the backlight 3 flashes for 3 seconds, and the buzzer at the receiving end of the control box beeps 1 time), after the memory position, short press the fader to run to the current position; 7 Short press the button, and the push rod will run to a fixed position and stop; Press and hold for 3s to set the memory position (the previous position is covered, the backlight flashes for 3 seconds, and the buzzer at the receiving end of the control box beeps 1 time), after the memory position, short press the fader to run to the current position; 8 The push rod 1 is extended, pressed to execute, and released to stop 9 Short press the button, and the push rod will run to a fixed position and stop; Press and hold for 3s to set the memory position (the previous position is covered, the backlight flashes for 3 seconds, and the buzzer at the receiving end of the control box beeps 1 time), after the memory position, short press the fader to run to the current position; 10 The push rod 2 stretches out, and stops when pressed and executed, and when it is released; 11 The putter 1 is retracted to the end first; 12 The push rod 2 is retracted, pressed to execute, and the release is stopped; 13 Short press the button, and the push rod will run to a fixed position and stop; Press and hold for 3s to set the memory position (the previous position is covered, the backlight flashes for 3 seconds, and the buzzer at the receiving end of the control box beeps 1 time), after the memory position, short press the fader to run to the current position; 14 The push rod 1 is retracted, pressed to execute, and it is 4 stopped when it is released; 15 Short press the button, and the push rod will run to a fixed position and stop; Press and hold for 3s to set the memory position (the previous position is covered, the backlight flashes for 3 seconds, and the buzzer at the receiving end of the control box beeps 1 time), after the memory position, short press the fader to run to the current position; 16 The vibration motor is enhanced in 1 gear (a total of four gears), which is gradually enhanced with each press; 17 Short press to switch the vibration motor vibration duration, and the vibration motor will be turned off after the time is over; 18 The vibration motor is enhanced in 2 gears (a total of four gears), which is gradually enhanced with each press; 19 The vibration motor decreases by 1 gear (a total of four gears), and gradually decreases with each press; 20 Short press to switch vibration motor 1, 2 vibration mode (switch mode is 1-2-3-4-1-2-3-4... ）； Press and hold for 3 seconds to turn off the vibration motor 1 and 2; 21 The vibration motor is reduced by 2 gears (a total of four gears), and gradually decreases with each press; Pairing: Method 1: Press and hold the pairing button of the control box for 3 seconds to enter the pairing state; Press the handset button 8 and button 10 within 15 seconds, hold for 3 seconds, the control box beeps 1 time, the pairing button stops flashing, and the handset background light flashes 3 times. Method 2: Power off the control box for 5 seconds and then power it back on, and the control box enters the pairing state; Press the handset button 5 8 and button 10 within 15 seconds, hold for 3 seconds, the control box beeps 1 time, the pairing button stops flashing, and the handset background light flashes 3 times. Clear the pairing： Method 1: Press and hold the pairing button of the control box for 3 seconds to enter the pairing state; Press the handset button 12 and button 14 within 15 seconds, hold for 3 seconds, the control box beeps 1 time, the pairing button stops flashing, and the handset background light flashes 3 times. Method 2: Power off the control box for 5 seconds and then power it back on, and the control box enters the pairing state; Press the handset button 12 and button 14 within 15 seconds, hold for 3 seconds, the control box beeps 1 time, the pairing button stops flashing, and the handset background light flashes 3 times. Factory reset： Method 1: Press and hold the pairing button of the control box for 3 seconds to enter the pairing state; Press the handset button 8 and button 12 within 15 seconds, hold for 3 seconds, the control box beeps 1 time, the pairing button stops flashing, and the handset background light flashes 3 times. Method 2: Power off the contr…

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Rev 1/26/2023 Changzhou Kaidi Electrical Inc. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 09‐11‐2024 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2AOTUKDDY109C Changzhou Kaidi Electrical Inc. (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, (Applicant signature) Qin Yin Rev 1/26/2023 Changzhou Kaidi Electrical Inc. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 09‐11‐2024 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2AOTUKDDY109C Changzhou Kaidi Electrical Inc. (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. The applicant is not a named entity or any of its subsidiaries or affiliates. Sincerely, (Applicant signature) Qin Yin

Rev 1/26/2023 Changzhou Kaidi Electrical Inc. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 09‐11‐2024 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: 2AOTUKDDY109C FRN: 0027151182 Changzhou Kaidi Electrical Inc. (“the applicant”) certifies that, as of the date of the filing of the application, Kaidi LLC.is our designated U.S. agent for service of process for the above referenced FCC ID. Changzhou Kaidi Electrical Inc. accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission‐related proceeding involving the equipment. Kaidi LLC.accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Name: Kaidi LLC. FRN: The agent for service of process does no other business with the FCC and does not have a FRN. Address: 131 Lucky Star Dr, Baldwyn, Mississippi 38824, United States Contact Person: Brittany Phillips Tel.: (662)601‐7325 Email: [email protected] Sincerely, Changzhou Kaidi Electrical Inc. Kaidi LLC. Qin Yin Brittany Phillips

Changzhou Kaidi Electrical Inc. Date: Sept. 11, 2024 Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2AOTUKDDY109C Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name Schematics Block Diagram Operational Description Schematics.pdf Block Diagram.pdf Operational Description.pdf The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Changzhou Kaidi Electrical Inc. Signature Qin Yin / Engineer Typed name and Title

Changzhou Kaidi Electrical Inc. FCC ID: 2AOTUKDDY109C POWER OF ATTORNEY Date: Sept. 11, 2024 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 To Whom It May Concern: We, the undersigned, hereby authorize Waltek Testing Group Co., Ltd. (Deval Qin) on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Waltek Testing Group Co., Ltd. (Deval Qin) on our behalf shall have the same effect as acts of our own. This authorization expires on Sept. 10, 2025. Sincerely, Changzhou Kaidi Electrical Inc. Signature Qin Yin / Engineer Typed name and Title

Reference No.: WTU24D09207844W Page 19 of 23 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 8 Photographs – Constructional Details 8.1 EUT – External View Reference No.: WTU24D09207844W Page 20 of 23 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn Reference No.: WTU24D09207844W Page 21 of 23 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn

Reference No.: WTU24D09207844W Page 22 of 23 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 8.2 EUT – Internal View Reference No.: WTU24D09207844WPage 23 of 23 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn

Waltek Testing Group Co., Ltd. http://www.waltek.com.cnPage 1 of 23 TEST REPORT Reference No. .................... : WTU24D09207844W FCC ID ................................ : 2AOTUKDDY109C Applicant ............................ : Changzhou Kaidi Electrical Inc. Address .............................. : Jiangcun, Henglin Town, 213101, Changzhou City , Jiangsu Province, China Manufacturer .................... : Changzhou Kaidi Electrical Inc. Address ............................. : Jiangcun, Henglin Town, 213101, Changzhou City , Jiangsu Province, China Product............................... : Control Box Model(s). ............................ : KDDY109C Standards .......................... : FCC Part 15 Subpart B Date of Receipt sample .... : 2024-09-05 Date of Test ....................... : 2024-09-05 to 2024-09-12 Date of Issue ...................... : 2024-09-23 Test Result ......................... : Pass Remarks: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company.The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Prepared By: Waltek Testing Group Co., Ltd. Address: No. 77, Houjie Section, Guantai Road, Houjie Town, Dongguan City, Guangdong, China Tel: +86-769-2267 6998 Fax: +86-769-2267 6828 Compiled by: Approved by: James Cheng / Project Engineer Deval Qin / Designated Reviewer Reference No.: WTU24D09207844W Page 2 of 23 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 1 Contents Page COVER PAGE ················································································································· 1 1 CONTENTS ............................................................................................................................................................ 2 2 REVISION HISTORY ............................................................................................................................................ 3 3 GENERAL INFORMATION .................................................................................................................................. 4 3.1 GENERAL DESCRIPTION OF E.U.T. ............................................................................................................ 4 3.2 DETAILS OF E.U.T. ..................................................................................................................................... 4 3.3 SUBCONTRACTED ....................................................................................................................................... 4 3.4 ABNORMALITIES FROM STANDARD CONDITIONS ....................................................................................... 4 4 TEST SUMMARY .................................................................................................................................................. 5 5 EQUIPMENT USED DURING TEST .................................................................................................................. 6 5.1 EQUIPMENT LIST ......................................................................................................................................... 6 5.2 MEASUREMENT UNCERTAINTY ................................................................................................................... 7 5.3 TEST MODE ................................................................................................................................................ 7 6 EMISSION TEST RESULTS ................................................................................................................................ 8 6.1 AC POWER LINE CONDUCTED EMISSION, 150KHZ TO 30MHZ ................................................................ 8 6.2 RADIATION EMISSION, 30MHZ TO 1000MHZ .......................................................................................... 11 6.3 RADIATION EMISSION, ABOVE 1000MHZ ................................................................................................ 14 7 PHOTOGRAPHS – TEST SETUP .................................................................................................................... 17 7.1 PHOTOGRAPH –AC POWER LINE CONDUCTED EMISSION TEST SETUP ................................................ 17 7.2 PHOTOGRAPH – RADIATED EMISSION TEST SETUP FOR 30MHZ-1000MHZ ........................................ 17 7.3 PHOTOGRAPH –RADIATED EMISSIONS TEST SETUP FOR ABOVE 1GHZ ............................................... 18 8 PHOTOGRAPHS – CONSTRUCTIONAL DETAILS ..................................................................................... 19 8.1 EUT – EXTERNAL VIEW ........................................................................................................................... 19 8.2 EUT – INTERNAL VIEW ............................................................................................................................. 22 Reference No.: WTU24D09207844W Page 3 of 23 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 2 Revision History Test Report No. Date of Receipt sample Date of Test Date of Issue Purpose CommentApproved WTU24D09207844W 2024-09-05 2024-09-05 to 2024-09-12 2024-09-23Original - Valid Reference No.: WTU24D09207844W Page 4 of 23 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 3 General Information 3.1 General Description of E.U.T. Product ..................................... : Control Box Model(s) .................................... : KDDY109C Model Description ..................... : N/A Test Sample No. ....................... : 1-1/1 3.2 Details of E.U.T. Ratings ..................................... : Input: 29.0V 2.0A 58.0W from adapter Input: 29.0V 4.0A Max 116.0W from adapter Adapter ..................................... (Sale Without Adapter) : Model No.: KDDY008H Input: AC100-240V, 50/60Hz, 2.4A Output: 29.0V 2.0A 58.…

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Reference No.: WTU24D09207844W Page 17 of 23 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 7 Photographs – Test Setup 7.1 Photograph –AC Power Line Conducted Emission Test Setup 7.2 Photograph – Radiated Emission Test Setup For 30MHz-1000MHz Reference No.: WTU24D09207844W Page 18 of 23 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 7.3 Photograph –Radiated Emissions Test Setup For Above 1GHz