2BRSTM31FILL LIGHT

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Shenzhen City Meimeiyizu Technology CO., LTD Room 301, Building B, Caifeng Industrial Park, No.18 Baodan Road, Danzhitou Community, Nanwan Street, Longgang District, Shenzhen, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2026/05/08 U.S. Agent Designation Shenzhen City Meimeiyizu Technology CO., LTD acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2BRSTM31): Name and company of U.S. agent: GLOCERTS TECHNOLOGY INC Physical U.S. address of agent: 19784 SUNKISSED RIDGE DR RIVERSIDE, CA 92507 United States FRN of U.S. agent: 0036339737 Phone of U.S. agent: (626) 588-8039 Email address of U.S. agent: [email protected] GLOCERTS TECHNOLOGY INC acknowledges their obligation to accept service of process on behalf of Shenzhen City Meimeiyizu Technology CO., LTD with the FRN [0037417656] accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. An expiration date for this letter does not exist. Sincerely, Signature Jack Chen Manager Shenzhen City Meimeiyizu Technology CO., LTD Signature Huiying Fan Director GLOCERTS TECHNOLOGY INC 48_[mo del] US_Agent_2.911(d)(7) - U, V0 5

FCC ID: 2BRSTM31 External Photos of the EUT FCC ID: 2BRSTM31 FCC ID: 2BRSTM31

Label and Location Size: L: 2.0cm*W: 1.0cm Label and Location FCC ID : 2BRSTM31

FCC ID: 2BRSTM31 Internal Photos of the EUT FCC ID: 2BRSTM31 433MHz Ant FCC ID: 2BRSTM31

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn RF Exposure evaluation Report Reference No. ..................... : FCC ID............................................. : CTA26033102102 2BRSTM31 Compiled by ( position+printed name+signature) . : File administrators Zoey Cao Supervised by ( position+printed name+signature) . : Project Engineer Ace Chai Approved by ( position+printed name+signature) . : RF Manager Eric Wang Date of issue .................................... : Apr. 30, 2026 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address............................................ : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name ............................ : Shenzhen City Meimeiyizu Technology CO., LTD Address............................................ : Room 301, Building B, Caifeng Industrial Park, No.18 Baodan Road, Danzhitou Community, Nanwan Street, Longgang District, Shenzhen, China Standard ........................................... : 47CFR §1.1310 47CFR §2.1093 KDB447498 D01 General RF Exposure Guidance v06 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purpses as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA 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. Test item description ..................... : FILL LIGHT Trade Mark ....................................... : N/A Manufacturer .................................... : Shenzhen City Meimeiyizu Technology CO., LTD Model/Type reference ...................... : M31 Listed Models ................................... : M30, M32, M33, M34, M35, M36, M37, M38, 39, M40, B03 Ratings ............................................. : Input: 5V 1.0A Battery: 3.7V 30mAh 0.111Wh Result ............................................... : PASS Report No.: CTA26033102102 Page 2 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : FILL LIGHT Model /Type : M31 Listed Models : M30, M32, M33, M34, M35, M36, M37, M38, 39, M40, B03 Model difference : The PCB board, circuit, structure and internal of these models are the same, Only model number and colour is different for these model. Applicant : Shenzhen City Meimeiyizu Technology CO., LTD Address : Room 301, Building B, Caifeng Industrial Park, No.18 Baodan Road, Danzhitou Community, Nanwan Street, Longgang District, Shenzhen, China Manufacturer : Shenzhen City Meimeiyizu Technology CO., LTD Address : Room 301, Building B, Caifeng Industrial Park, No.18 Baodan Road, Danzhitou Community, Nanwan Street, Longgang District, Shenzhen, China 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.: CTA26033102102 Page 3 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 TEST STANDARDS ............................................................................................................ 4 2 SUMMARY .......................................................................................................................... 5 2.1 General Remarks ..................................................................................................... 5 2.2 Product Description ................................................................................................. 5 2.3 Special Accessories ................................................................................................. 5 2.4 Modifications ............................................................................................................ 5 3 TEST ENVIRONMENT ....................................................................................................... 6 3.1 Address of the test laboratory .................................................................................. 6 3.2 Test Facility .............................................................................................................. 6 3.3 Statement of the measurement uncertainty ............................................................. 6 4 Test limit .............................................................................................................................. 7 4.1 Requirement ............................................................................................................ 7 4.2 Conducted Power Results ....................................................................................... 7 4.3 Manufacturing tolerance .......................................................................................... 8 4.4 Evaluation Result ..................................................................................................... 8 4.5 Simultaneous Transmission for SAR Exclusion ...................................................... 8 5 Conclusion ..............................................................…

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1. Antenna Description: Antenna type PCB antenna Model IDTOUCH1 Frequency range 433.93MHz Manufacturer Shenzhen City Meimeiyizu Technology CO., LTD Address Room 301, Building B, Caifeng Industrial Park, No.18 Baodan Road, Danzhitou Community, Nanwan Street, Longgang District, Shenzhen, China ANT Peak Gain 2.99 dBi 2. Antenna Photo: We statement that All measurements were performed radiated and therefore additional antenna gain documentation is not required. Length: 8.73mm Width: 8.71mm

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China FCC PART 15 SUBPART C TEST REPORT FCC PART 15.231 Report Reference No. .................... : FCC ID. ........................................... : CTA26033102101 2BRSTM31 Compiled by ( position+printed name+signature) . : File administrators Zoey Cao Supervised by ( position+printed name+signature) . : Project Engineer Ace Chai Approved by ( position+printed name+signature) . : RF Manager Eric Wang Date of issue .................................... : Apr. 30, 2026 Testing Laboratory Name ............. : Shenzhen CTA Testing Technology Co., Ltd. Address ........................................... : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name ........................... : Shenzhen City Meimeiyizu Technology CO., LTD Address : Room 301, Building B, Caifeng Industrial Park, No.18 Baodan Road, Danzhitou Community, Nanwan Street, Longgang District, Shenzhen, China Test specification ........................... : Standard ........................................... : FCC Part 15.231 Shenzhen CTA Testing 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 CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA 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. Test item description ..................... : FILL LIGHT Trade Mark ....................................... : N/A Manufacturer .................................... : Shenzhen City Meimeiyizu Technology CO., LTD Model/Type reference ...................... : M31 Listed Models .................................. : M30, M32, M33, M34, M35, M36, M37, M38, 39, M40, B03 Modulation ....................................... : ASK Frequency ......................................... 433.93MHz Ratings ............................................. : Input: 5V 1.0A Battery: 3.7V 30mAh 0.111Wh Result ............................................... : PASS Report No.: CTA26033102101 Page 2 of 28 T E S T R E P O R T Equipment under Test : FILL LIGHT Model /Type : M31 Listed Models : M30, M32, M33, M34, M35, M36, M37, M38, 39, M40, B03 Model difference : The PCB board, circuit, structure and internal of these models are the same, Only model number and colour is different for these model. Applicant : Shenzhen City Meimeiyizu Technology CO., LTD Address : Room 301, Building B, Caifeng Industrial Park, No.18 Baodan Road, Danzhitou Community, Nanwan Street, Longgang District, Shenzhen, China Manufacturer : Shenzhen City Meimeiyizu Technology CO., LTD Address : Room 301, Building B, Caifeng Industrial Park, No.18 Baodan Road, Danzhitou Community, Nanwan Street, Longgang District, Shenzhen, China 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.: CTA26033102101 Page 3 of 28 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 Short description of the Equipment under Test (EUT) 5 2.5 EUT configuration 5 2.6 Block Diagram of Test Setup 6 2.7 Special Accessories 6 2.8 Related Submittal(s) / Grant (s) 6 2.9 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 Summary of measurement results 8 3.5 Statement of the measurement uncertainty 8 3.6 Equipments Used during the Test 8 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 13 4.3 20dB Bandwidth 19 4.4 Deactivation Time 20 4.5 Antenna Requirement 21 5 T E S T S E T U P P H O T O S O F T H E E U T .......................................... 22 6 P H O T O S O F T H E E U T ............................................................. 23 Report No.: CTA26033102101 Page 4 of 28 1 T E S T S T A N D A R D S The tests were performed according to following standards: FCC Rules Part 15.231:Periodic operation in the band 40.66-40.70 MHz and above 70 MHz. ANSI C63.10-2020+Cor. 1-2023+C63.10a-2024 + Errata to C63.10a-2024 : American National Standard for Testing Unlicensed Wireless Devices Report No.: CTA26033102101 Page 5 of 28 2 S U M M A R Y 2.1 General Remarks Date of receipt of test sample : Apr. 17, 2026 Testing commenced on : Apr. 17, 2026 Testing concluded on : Apr. 30, 2026 2.2 Product Description Product Name: FILL LIGHT Model/Type reference: M31 Power supply: Input: 5V 1.0A Battery: 3.7V 30mAh 0.111Wh Testing sample ID： CTA260331021-1# (Engineer sample) CTA260331021-2# (Normal sample) Modulation: ASK Operation frequency: 433.93MHz Channel number: 1 Antenna type: PCB antenna Antenna gain: 2.99 dBi 2.3 Equipment Under Test Power supply system utilised Power supply voltage : ○ 230V / 50 Hz ○ 120V / 60Hz ○ 12 V DC ○ 24 V DC ● Other (specified in blank below) Input: 5V 1.0A Battery: 3.7V 30mAh 0.111Wh 2.4 Short description of the Equipment under Test (EUT) This is FILL LIGHT. For more details, refer to the user’s manual of the EUT. 2.5 EUT configuration The following peripheral devices and interface cables were connected during the measurement: ● - supplied by the manufacturer ○ - supplied by the lab Report No.: CTA26033102101 Page 6 of 28 2.6 Block Diagram of Test Setup…

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FCC ID: 2BRSTM31 Test Setup Photos of the EUT