2AKIT-LBL14Outdoor String Lights H1

Lumi United Technology Co., Ltd Covered Equipment Certification Attestation Letter 8/1/2026 Nemko North America, Inc. 303 River Road Ottawa K1V 1H2 Canada ATTN.: Reviewing Engineer FCC ID: 2AKIT-LBL14 Lumi United Technology Co., Ltd (“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. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not “covered” equipment. Lumi United Technology Co., Ltd (“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. Lumi United Technology Co., Ltd (“the applicant”) certifies that the equipment for which authorization issought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity oranti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Signed: Printed name: Heidi He Title: Certified Engineer Company Name: Lumi United Technology Co., Ltd Date: 8/1/2026

Lumi United Technology Co., Ltd B1, Chongwen Park, Nanshan iPark, Liuxian Avenue, Taoyuan Residential District, Nanshan District, Shenzhen 518000, China Date: 2025-02-17 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Grantee Code: 2AKIT Applicant FRN: 0026077404 US Agent – Attestation Statement / Part 2.911(d)(7) Lumi United Technology Co., Ltd certifies that, as of 2025-02-17, we have designated Aqara LLC to accept service of process on our behalf for Grantee Code: 2AKIT. Lumi United Technology Co., Ltd, accepts to maintain an agent of 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. Aqara LLC, accepts as of the date of the filing of this application, the obligation of being the designated agent for the purpose of accepting service of process on behalf of Lumi United Technology Co., Ltd for Grantee Code: 2AKIT. Designated Agent Information: Company Name: Aqara LLC U.S. Agent FRN: 0033425992 Address: 33 W 60nd Street, #218,New York,, NY 10023 United States Contact Person: Cathy You Email: [email protected] Sincerely, Company: Lumi United Technology Co., Ltd Designated Agent: Aqara LLC Company Representative: Heidi HeDesignated Agent Representative: Cathy You Lumi United Technology Co., Ltd B1, Chongwen Park, Nanshan iPark, Liuxian Avenue, Taoyuan Residential District, Nanshan District, Shenzhen 518000, China Signature:Signature:

Lumi United Technology Co., Ltd 9/1/2026 Nemko North America, Inc. 303 River Road Ottawa, Ontario, Canada K1V 1H2 REQUEST FOR CONFIDENTIALITY - FCC FCC ID: 2AKIT-LBL14 Pursuant to Sections 0.457(d) and 0.459 of the Commission’s Rules and FCC Guidance document 726920, we hereby request permanent confidential treatment of exhibits identified as such in the table below and request they are permanently withheld from public review based on the documents containing trade secrets and proprietary information not customarily released to the public. The public disclosure of this information might be harmful to the applicant and provide unjustified benefits to its competitors. We also request short-term confidentiality on certain exhibits until the intended date of marketing as outlined below. We request the exhibits be withheld from public view for a period of 180 days. We attest marketing of the product will only commence after the period of short-term confidentiality expires, or if marketing is to commence before the requested number of days listed above, the grantee will inform Nemko to release the Short-Term Confidentiality information withheld on the FCC equipment authorization website. Exhibit Type of Confidentiality Requested Block Diagrams ☒ Permanent ☐ Short Term External Photos ------------------ ☒ Short Term Internal Photos ☐ Permanent* ☒ Short Term Operation Description ☒ Permanent ☐ Short Term Parts List & Placement/BOM ☒ Permanent ☐ Short Term Tune-Up Procedure ☐ Permanent ☐ Short Term Schematic Diagrams ☒ Permanent ☐ Short Term Test Setup Photos ------------------ ☒ Short Term User’s Manual ☐ Permanent* ☒ Short Term The asterisked items (*) require further information to be provided in this justification letter before permanent confidentiality will be extended to these exhibits. Please refer to FCC KDB 726920 D01 found at: https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=41731 and review section II, 3) regarding specific information that must accompany these requests. Note: any documents held under the Short-Term confidentiality will automatically become public after the requested time if an appropriate extension request has not been received. Any exhibits (i.e., schematic diagrams) that may have already been requested to have “Permanent” confidentiality as shown above need not be repeated under Short-Term confidentiality request. Sincerely, Signed: Printed name: Heidi.He Title: Certified Engineer Date: 8/1/2026

FCC ID:2AKIT-LBL14

LB-L13D Label location

LB-L13E Label location

LB-L14D Label location

LB-L14E Label location

DEKRA Testing and Certification (Shanghai) Ltd. Guangzhou Branch Block 5, No.3, Qiyun Road, Huangpu District, Guangzhou, Guangdong, China Tel +86 20 6661 2000 Fax +86 20 6661 2001 https://www.dekra.com Report no.: RF Exposure Page 1 / 12 Test report No: RF Exposure TEST REPORT Radio Spectrum Matters (RF) Identification of item tested Outdoor String Lights H1 Trademark Model and /or type reference LB-L13E, LB-L13D, LB-L14E, LB-L14D FCC ID 2AKIT-LBL14 Features Input: 100-120 Vac, 50/60 Hz; Output: 24 Vdc, details refer to component list XY24SR-240100VQ-UT: IP44 Applicant ́s name / address Lumi United Technology Co., Ltd. B1, Chongwen Park, Nanshan iPark, Liuxian Avenue, Taoyuan Residential District, Nanshan District, Shenzhen, China. Test method requested, standard KDB 447498 D01V06 FCC Part 1.1310 Verdict Summary COMPLIANCE Tested by (name & signature) Jazz Liang Approved by (name & signature) Tim Yan Date of issue 2026-07-29 Report template No TRF_EMC 2017-06- FCC_Exposure DEKRA Testing and Certification (Shanghai) Ltd. Guangzhou Branch Block 5, No.3, Qiyun Road, Huangpu District, Guangzhou, Guangdong, China Tel +86 20 6661 2000 Fax +86 20 6661 2001 https://www.dekra.com Report no.: RF Exposure Page 2 / 12 INDEX page General conditions ...................................................................................................................................................... 3 Uncertainty .................................................................................................................................................................. 3 Environmental conditions............................................................................................................................................ 3 Possible test case verdicts ......................................................................................................................................... 3 Definition of symbols used in this test report .............................................................................................................. 4 Abbreviations .............................................................................................................................................................. 4 Document History ....................................................................................................................................................... 4 Remarks and Comments ............................................................................................................................................ 4 1 General Information ........................................................................................................................................... 5 1.1 General Description of the Item(s) .......................................................................................................... 5 1.2 Test data ................................................................................................................................................. 9 1.3 The environment(s) in which the EUT is intended to be used ................................................................ 9 2 Description of Test Setup ................................................................................................................................ 10 2.1 Operating mode(s) used for tests.......................................................................................................... 10 2.2 Support / Auxiliary equipment / unit / software for the EUT .................................................................. 10 2.3 Test Configuration / Block diagram used for tests ................................................................................ 10 3 RF Exposure Evaluation .................................................................................................................................. 11 3.1 Limits ..................................................................................................................................................... 11 3.2 Test Procedure ...................................................................................................................................... 12 3.3 Test Result ............................................................................................................................................ 12 DEKRA Testing and Certification (Shanghai) Ltd. Guangzhou Branch Block 5, No.3, Qiyun Road, Huangpu District, Guangzhou, Guangdong, China Tel +86 20 6661 2000 Fax +86 20 6661 2001 https://www.dekra.com Report no.: RF Exposure Page 3 / 12 GENERAL CONDITIONS 1. This report is only referred to the item that has undergone the test. 2. This report does not constitute or imply on its own an approval of the product by the Certification Bodies or Competent Authorities. 3. This document is only valid if complete; no partial reproduction can be made without previous written permission of DEKRA. 4. This test report cannot be used partially or in full for publicity and/or promotional purposes without previous written permission of DEKRA. 5. This report will not be used for social proof function in China market. UNCERTAINTY For all measurements where guidance for the calculation of the instrumentation uncertainty of a measurement is specified in EN 55016-4-2 (CISPR 16-4-2), EN/IEC 61000-4 series or a product standard, the measurement instrumentation uncertainty has been calculated and applied in accordance with these standards. Uncertainties have been calculated according to the DEKRA internal document. The reported expanded uncertainties are based on a standard uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95%. ENVIRONMENTAL CONDITIONS The climatic conditions during the tests are within the limits specified by the manufacturer for the operation of the EUT and the test equipment. The climatic conditions during the tests…

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DEKRA Testing and Certification (Shanghai) Ltd. Guangzhou Branch Block 5, No.3, Qiyun Road, Huangpu District, Guangzhou, Guangdong, China Tel +86 20 6661 2000 Fax +86 20 6661 2001 https://www.dekra.com Report no.:4960326.56 Page 1 / 113 Test report No: 4960326.56 TEST REPORT Radio Spectrum Matters (RF) Identification of item tested Outdoor String Lights H1 Trademark Model and /or type reference LB-L13E, LB-L13D, LB-L14E, LB-L14D FCC ID 2AKIT-LBL14 IC 22635-LBL14 Features Input: 100-120 Vac, 50/60 Hz; Output: 24 Vdc, details refer to component list XY24SR-240100VQ-UT: IP44 Applicant ́s name / address Lumi United Technology Co., Ltd. B1, Chongwen Park, Nanshan iPark, Liuxian Avenue, Taoyuan Residential District, Nanshan District, Shenzhen, China. Test method requested, standard FCC CFR Title 47 Part15 Subpart C Section 15.247; KDB558074 D01v05r02; RSS-Gen Issue 5; RSS-247 Issue 4 Verdict Summary COMPLIANCE Tested by (name & signature) Jazz Liang Approved by (name & signature) Tim Yan Date of issue 2026-07-29 Report template No TRF_EMC 2017-06- other DEKRA Testing and Certification (Shanghai) Ltd. Guangzhou Branch Block 5, No.3, Qiyun Road, Huangpu District, Guangzhou, Guangdong, China Tel +86 20 6661 2000 Fax +86 20 6661 2001 https://www.dekra.com Report no.:4960326.56 Page 2 / 113 INDEX page General conditions ...................................................................................................................................................... 3 Uncertainty .................................................................................................................................................................. 3 Environmental conditions............................................................................................................................................ 3 Possible test case verdicts ......................................................................................................................................... 3 Definition of symbols used in this test report .............................................................................................................. 4 Abbreviations .............................................................................................................................................................. 4 Document History ....................................................................................................................................................... 4 Remarks and Comments ............................................................................................................................................ 4 1 General Information ........................................................................................................................................... 5 1.1 General Description of the Item(s) .......................................................................................................... 5 1.2 Test data ................................................................................................................................................. 9 1.3 The environment(s) in which the EUT is intended to be used ................................................................ 9 2 Description of Test Setup ................................................................................................................................ 10 2.1 Operating mode(s) used for tests.......................................................................................................... 10 2.2 Support / Auxiliary equipment / unit / software for the EUT .................................................................. 10 2.3 Test Configuration / Block diagram used for tests ................................................................................ 10 2.4 Measurement procedure ....................................................................................................................... 10 3 Verdict summary section ................................................................................................................................. 11 3.1 Standards .............................................................................................................................................. 11 3.2 Deviation(s) from the Standard(s) / Test Specification(s) ..................................................................... 11 3.3 Overview of results ................................................................................................................................ 12 4 Transmitter Test Results ................................................................................................................................. 13 4.1 AC Power Line Conducted Emission .................................................................................................... 13 4.2 Emissions in non-restricted frequency bands ....................................................................................... 26 4.3 Emissions in restricted frequency bands .............................................................................................. 59 4.4 Band Edge ............................................................................................................................................. 74 4.5 Duty cycle .............................................................................................................................................. 81 4.6 DTS Bandwidth ..................................................................................................................................... 85 4.7 Fundamental emission output power .................................................................................................... 98 4.8 Power Spectral Density ....................................................................................................................... 105 5 Identification of the Equipment Under Tes…

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1. Antenna Information Antenna Type FPC-Antenna Antenna Gain 1dBi Antenna Directionality Omni-directional Antenna Polarization Linear Antenna connection type Integrated Manufacturer and Address Shenzhen Yusheng Communication Equipment Co.,LTD Address: 4F, Building 2,Nantaiyun Chuanggu, Guangming New Area, Shenzhen City. Antenna Model THOT-LM-Y25C-2.4G-V1 Testing Institution Shenzhen Yusheng Communication Equipment Co., LTD 2. Antenna Picture 3. Electrical Specification Frequency Range 2400MHZ-2500 MHZ Bandwidth 100MHz Input Impendence 50Ω S11 ≤-10 dB Peak Gain 1dBi 4. Antenna S11 5. Radiat H Theta=90 V Phi=90 6. Test Results Frequency ID Frequency （ MHz ） Gain （ dBi ） Efficiency （ dB ） Efficiency （ % ） 1 2400 0.66 -2.95 50.70 2 2410 0.73 -2.89 51.46 3 2420 0.81 -2.83 52.16 4 2430 0.89 -2.81 52.37 5 2440 0.91 -2.76 52.93 6 2450 1 -2.75 53.03 7 2460 0.95 -2.79 52.65 8 2470 0.88 -2.80 52.48 9 2480 0.79 -2.82 52.19 10 2490 0.72 -2.86 51.72 11 2500 0.68 -2.89 51.44