2AOTUKDDYM002BControl Box

1 KDDYM002B+ KDH144+ Function specification 1. System connection diagram 2 2. Manual key function description Hand controller 1 3 Hand controller 2 4 Hand controller 1 function： Number Name function comment 1 Head push rod lift Press K1, push rod out, release stop; Press K5, push rod retract, release stop; 2 Leg push rod lift Press K3, push rod out, release stop; Press K6, push rod retract, release stop; 3 Zero location Long press K2, about 3 seconds after the control box buzzer rings, the control box memory of the current position of the push rod; Short press K2, push rod run to the key memory position; Each memory key can only remember 1 group of positions, if the memory function is performed again, the key's last memory position will be updated to the new memory position; Press any key during the operation of the push rod to stop the operation; The memory location will not be cleared after power-on. Manual controller 1 and manual controller 2 do not interfere with 5 the memory position. 4 FLAT Long press K4, 1S after the leg and back push rod back, release and stop; 5 Child lock function K7 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 A memory key Short press the K8 putter to run to the memory position; 7 B memory key Short press the K9 putter to run to the memory position; 6 8 Memorize the setting key Press and hold K10,3 seconds, the background light flashes fast for 3 seconds and then stays on, press the A button or B button to remember the current position (overwrite the previous memory); At the same time, the supporting control box beeps 1 time ,the background light is off; Each memory key can only remember 1 group of positions, if the memory function is performed again, the key's last memory position will be updated to the new memory position; Press any key during the operation of the push rod to stop the operation; The memory location will not be cleared after power-on. Manual controller 1 and manual controller 2 do not interfere with the memory position. 9 The head shock motor is turned on and off Short press the K11 head vibration motor gear enhancement (a total of three gears), each press gradually increases; Short press the K12 head vibration motor gear to decrease (a total of three gears), and gradually 7 decrease each time you press; 10 The leg shock motor turns on and off Short press the K13 foot vibration motor gear enhancement (a total of three gears), each press gradually increases; Short press the K14 foot vibration motor gear to decrease (a total of three gears), and gradually decrease each time you press; 11 TIMER/ALL OFF Short press the K15 button to switch the timing time, and the corresponding indicator lights up after selecting the timing time. Press and hold the button K15 for three seconds, and the vibration motor will turn off; 12 Strip light The light strip lights up red after the first short press on K16, the light strip lights up warm yellow after the second short press K16, the light strip lights up blue after 8 the third short press K16, and the fourth short press on K16 turns off; 9 Hand controller 2 function： Number Name function comment 1 Head push rod lift Press K1, push rod out, release stop; Press K5, push rod retract, release stop; 2 Leg push rod lift Press K3, push rod out, release stop; Press K6, push rod retract, release stop; 3 Zero location Long press K2, about 3 seconds after the control box buzzer rings, the control box memory of the current position of the push rod; Short press K2, push rod run to the key memory position; Each memory key can only remember 1 group of positions, if the memory function is performed again, the key's last memory position will be updated to the new memory position; Press any key during the operation of the push rod to stop the operation; The memory location will not be cleared after power-on. Manual controller 1 and manual controller 2 do not interfere with 10 the memory position. 4 FLAT Long press K4, 1S after the leg and back push rod back, release and stop; 5 Child lock function K7 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 A memory key Short press the K8 putter to run to the memory position; 7 B memory key Short press the K9 putter to run to the memory position; 11 8 Memorize the setting key Press and hold K10,3 seconds, the background light flashes fast for 3 seconds and then stays on, press the A button or B button to remember the current position (overwrite the previous memory); At the same time, the supporting control box beeps 1 time ,the background light is off; Each memory key can only remember 1 group of positions, if the memory function is performed again, the key's last memory position will be updated to the new memory position; Press any key during the operation of the push rod to stop the operation; The memory location will not be cleared after power-on. Manual controller 1 and manual controller 2 do not interfere with the memory position. 9 The head shock motor is turned on and off Short press the K11 head vibration motor gear enhancement (a total of three gears), each press gradually increases; Short press the K12 head vibration motor gear to decrease (a total of three gears), and gradually 12 decrease each time yo…

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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: 2AOTUKDDYM002B 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: 2AOTUKDDYM002B 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: 2AOTUKDDYM002B 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: 2AOTUKDDYM002B 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: 2AOTUKDDYM002B 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.: WTU24D08186939W 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.: WTU24D08186939W Page 20 of 23 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn Reference No.: WTU24D08186939W Page 21 of 23 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn

Reference No.: WTU24D08186939WPage 22 of 23 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 8.2 EUT – Internal View Reference No.: WTU24D08186939WPage 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. .................... : WTU24D08186939W FCC ID ................................ : 2AOTUKDDYM002B 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). ............................ : KDDYM002B Standards .......................... : FCC Part 15 Subpart B Date of Receipt sample .... : 2024-08-13 Date of Test ....................... : 2024-08-13 to 2024-09-12 Date of Issue ...................... : 2024-09-19 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.: WTU24D08186939W 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.: WTU24D08186939W 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 WTU24D08186939W 2024-08-13 2024-08-13 to 2024-09-12 2024-09-19Original - Valid Reference No.: WTU24D08186939W 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) .................................... : KDDYM002B 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 58.0W Output: 29.0V 4.0A Max 116.0W(Duty Cycle:Max 10%;2min ON/18min OFF) Manufacturer:CHANGZHOU KAIDI ELECTRICAL INC. 3.3 Subcontracted Whether parts of tests for the product have been subcontracted to other lab…

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Reference No.: WTU24D08186939WPage 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.: WTU24D08186939WPage 18 of 23 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 7.3 Photograph –Radiated Emissions Test Setup For Above 1GHz