2ATTK-CYTT-149Car LED Strip Lights

FCC Warning Statement Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. 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: ‐‐ Reorient or relocate the receiving antenna. ‐‐ Increase the separation between the equipment and receiver. ‐‐Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. ‐‐ Consult the dealer or an experienced radio/TV technician for help. This device complies with part 15 of the FCC Rules. Operation is subject 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. RF Exposure Statement To maintain compliance with FCC's RF Exposure guidelines, This equipment should be installed and operated with minimum distance of 20cm the radiator your body. This device and its antenna(s) must not be co-located or operation in conjunction with any other antenna or transmitter.

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Model Difference Declaration To Whom It May Concern, We, Shenzhen ChuangYi Tong Technology Co., Ltd(Car LED Strip Lights) Trademark:N/A; Model Number:CYTT-149, CYTT-149-44BL, CYTT-149-40BL, CYTT-149-24BL, CYTT-149-22BL;All model’s the function, software and electric circuit are the same, only with a product color, appearance and model named different for commercial purpose. Test sample model: CYTT-149. Please contact me if you have any question. Name: Zhangxian ren Date: Jun. 28, 2021 Title: Manager Signature of applicant:

Annex A External Photos Report No.: HK2106181947‐E Page 1 of 4 Report No.: HK2106181947‐E Page 2 of 4 Report No.: HK2106181947‐E Page 3 of 4 Report No.: HK2106181947‐E Page 4 of 4

FCC ID LABEL: Label Location FCC ID: 2ATTK-CYTT-149

Annex B Internal Photo Report No.:HK2106181947-E Page 1 of 2 Antenna Report No.:HK2106181947-E Page 2 of 2

MPE ESTIMATION FCC ID: 2ATTK-CYTT-149 1, Limit for General Population/ Uncontrolled Exposures Frequency Power density (mW/ cm 2 ) Averaging time(minutes) 300MHz----1.5GHz F/1500 30 1.5GHz---100GHz 1.0 30 Note: F= Frequency in MHz 2, Estimation Result Mode Max PK Output power(dBm) Tune Up Power(dBm) Max Tune Up power(mW) Antenna Gain(dBi) Antenna Gain (numerical) MPE ( mW/cm²) BLE 2.46 2±1(3) 1.995 0 1 0.0004 Note: Note: The estimation distance is 20cm Note: PK Output power= conducted power. Conducted power see the test report HK2106181947-E, antenna gain=0dBi when the minimum test separation distance is >20 cm, a distance of 20 cm is applied to determine RF Exposure test exclusion. The test exclusion threshold is 0.0004 mW/cm² which is< 1.0mW/cm², RF Exposure testing is not required. -------The End-------

Page 1 of 41 Report No.: HK2106181947-E TEST REPORT FCC PART 15 SUBPART C 15.247 Test report On Behalf of Shenzhen ChuangYi Tong Technology Co., Ltd For Car LED Strip Lights Model No.: CYTT-149, CYTT-149-44BL, CYTT-149-40BL, CYTT-149-24BL, CYTT-149-22BL FCC ID: 2ATTK-CYTT-149 Prepared For : Shenzhen ChuangYi Tong Technology Co., Ltd 3rd Floor, 4th Building, Hehe Tech Park, Guanlan Street, Longhua District, Shenzhen, China Prepared By : Shenzhen HUAK Testing Technology Co., Ltd. 1-2/F., Building B2, Junfeng Zhongcheng Zhizao Innovation Park, Heping, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Date of Test: Jun. 11, 2021 ~Jun. 28, 2021 Date of Report: Jun. 28, 2021 Report Number: HK2106181947-E Page 2 of 41 Report No.: HK2106181947-E TEST RESULT CERTIFICATION Applicant’s name ................... : Shenzhen ChuangYi Tong Technology Co., Ltd Address .................................... : 3rd Floor, 4th Building, Hehe Tech Park, Guanlan Street, Longhua District, Shenzhen, China Manufacture's Name .............. : Shenzhen ChuangYi Tong Technology Co., Ltd Address .................................... : 3rd Floor, 4th Building, Hehe Tech Park, Guanlan Street, Longhua District, Shenzhen, China Product description Trade Mark: N/A Product name ............................. : Car LED Strip Lights Model and/or type reference .. : CYTT-149, CYTT-149-44BL, CYTT-149-40BL, CYTT-149-24BL, CYTT-149-22BL Standards ................................ : 47 CFR FCC Part 15 Subpart C 15.247 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HUAK Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HUAK Testing 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. Date of Test .............................................. : Date (s) of performance of tests ................ : Jun. 11, 2021 ~Jun. 28, 2021 Date of Issue ............................................. : Jun. 28, 2021 Test Result ................................................. : Pass Pre pared by: Project Engineer Rev iewed by: Project Supervisor Appro ved by: Technical Director Page 3 of 41 Report No.: HK2106181947-E Contents Page 1 TEST SUMMARY ............................................................................................................................................ 6 1.1 TEST DESCRIPTION ................................................................................................................................ 6 1.2 MEASUREMENT UNCERTAINTY ............................................................................................................ 7 2 TEST FACILITY ............................................................................................................................................... 8 3 GENERAL INFORMATION ............................................................................................................................. 8 3.1 GENERAL DESCRIPTION OF EUT .......................................................................................................... 8 3.2 DESCRIPTION OF TEST CONDITIONS ................................................................................................. 10 3.3 DESCRIPTION OF TEST SETUP ........................................................................................................... 10 4 EQUIPMENTS LIST FOR ALL TEST ITEMS ............................................................................................... 11 5 TEST RESULT .............................................................................................................................................. 13 5.1 ANTENNA REQUIREMENT .................................................................................................................... 13 5.1.1 Standard requirement ...................................................................................................................... 13 5.1.2 EUT Antenna ................................................................................................................................... 13 5.2 CONDUCTION EMISSIONS MEASUREMENT ...................................................................................... 14 5.2.1 Applied procedures / Limit ............................................................................................................... 14 5.2.2 Test procedure ................................................................................................................................. 14 5.2.3 Test setup ........................................................................................................................................ 15 5.2.4 Test results ...................................................................................................................................... 16 5.3 RADIATED EMISSIONS MEASUREMENT............................................................................................. 17 5.3.1 Applied procedures / Limit ............................................................................................................... 17 5.3.2 Test setup ........................................................................................................................................ 17 5.3.3 Test Result ....................................................................................................................................... 19 5.4 MAXIMUM OUTPUT POWER MEASUREMENT .................................................................................... 26 5.4.1 Limit ................................................................................................................................................. 26 5.4.2 Test procedure .........................................................................…

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Radiated Emissions