2BTFB-LED-DD-1led strip light

LEDmobilephoneBluecontroller APPDownload ScantheQRcode iOSandAndroidsystemscandownloadthe"LotusLampX"APPbyscanningthe QRcode.Openthebrowserorothertoolswith"ScanQRcode"function,scanthe" LotusLampX"QRcodeasbelow: Afterthesoftwareissuccessfullydownloaded,clickAPKtoinstall.Afterthe installation,thefollowingprogramiconswillappearonthedesktop: Productoverview Thecontrollersupportsmorethan6.0androidversion4.3andabove. Canrealizeremotecontrolon/offlight,adjustthebrightnessofthelamp,color, temperature,musicandalarmmode. For160,000colors,dozensoflightpatterns. ThecontrollerisdesignedforLEDlamp,module,etc. AftersettingupandsettinguptheSettings,youcanuseyourphone(IOS6.0or above)tocontrol. Theremote-controlleddistancecanreachtheindoor15-20meters. Technicalparameters Connection:bluetooth4.0orabove Applicabletomobilephoneoperatingsystem:IOSversion6.0orabove,morethan theandroidversion4.3andabove (therearecountlessgroups). Supportlanguage:English,Chinese(otherlanguagescanbesetaccordingtothe functionofmobilephonesystem) Workingtemperature:-20°Cto60°C Input:5V Output:SPIRGB remotedistance:indoor5-15m Controlmode:BluetoothORIRRemoteController RemoteControlFunction brightness/speed/se nsitivity/Increase points brightness/speed/sensi tivity/Reducepoints Whitelight/ warmlight switchingmode ON/OFF Pointsetmode Threecolors/seven colorsswitchtothe forwardrunning mode Three-color/ seven-color switchtothe reverserunning mode Automaticcycle RhythmiccycleReverserunningForward running Modeloop ThreecolorloopsReversebackground running Running towsrdsthe background color strobing sevencolorloopsReversetracingForwardpursuit light hop 16colorloopsForwardflowReverseflowgradient FCCStatement: Thisdevicecomplieswithpart15oftheFCCRules. Operationissubjecttothefollowingtwoconditions: (1)Thisdevicemaynotcauseharmfulinterference,and (2)thisdevicemustacceptanyinterferencereceived, includinginterferencethatmaycauseundesiredoperation. ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassB digitaldevice, pursuanttopart15oftheFCCRules. Theselimitsaredesignedtoprovidereasonableprotectionagainstharmful interferenceinaresidential installation. Thisequipmentgenerates,usesandcanradiateradiofrequencyenergyand,ifnot installedandusedin accordancewiththeinstructions, maycauseharmfulinterferencetoradiocommunications. However,thereisnoguaranteethatinterferencewillnotoccurinaparticular installation. Ifthisequipmentdoescauseharmfulinterferencetoradioortelevisionreception, whichcanbedeterminedbyturningtheequipmentoffandon, theuserisencouragedtotrytocorrecttheinterferencebyoneormoreofthe followingmeasures: —Reorientorrelocatethereceivingantenna. —Increasetheseparationbetweentheequipmentandreceiver. —Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthe receiverisconnected. —Consultthedealeroranexperiencedradio/TVtechnicianforhelp.Caution:Any changesormodifications notexpresslyapprovedbytheparty

ZhongshanYuhongLightingCo.,Ltd (2025.12.10) EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(i)requestfor(FCCID:2BTFB-LED-DD-1) [ZhongshanYuhongLightingCo.,Ltd](“theapplicant”)certifiesthattheequipmentfor whichauthorizationissoughtisnot“covered”equipmentprohibitedfromreceivingan equipmentauthorizationpursuanttosection2.903oftheFCCrules. Wealsocertifythat,asofthedateofthefilingoftheapplication,theequipmentdoes notutilizecyber-securityoranti-virussoftwarefromKasperskyLab,Inc,oranyofits successorsandassignees,whichisalsoonthe“coveredlist”. Sincerely, (Applicantsignature) (Applicantprintedname)LiuXiao ZhongshanYuhongLightingCo.,Ltd (2025.12.10) EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(ii)requestfor(FCCID:2BTFB-LED-DD-1) [ZhongshanYuhongLightingCo.,Ltd](“theapplicant”)certifiesthat,asofthedateof thefilingoftheapplication,theapplicantisnotidentifiedontheCoveredListasan entityproducing“covered”equipment. Sincerely, (Applicantsignature) (Applicantprintedname) LiuXiao

ZhongshanYuhongLightingCo.,Ltd AgentAuthorizationLetter 2025-12-10 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 USA RE:LETTEROFAGENTAUTHORIZATION ToWhomItMayConcern: We,theundersigned,herebyauthorizeShenzhenMostTechnologyServiceCo.,Ltd.toact onourbehalfinallmattersrelatingtoapplicationforequipmentauthorization,includingthe signingofalldocumentsrelatingtothesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothe denialofbenefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuse Actof1988,21U.S.C.853(a). Thisagreementexpiresoneyearfromthecurrentdate. Sincerely, Name:LiuXiao Position:Manager CompanyName:ZhongshanYuhongLightingCo.,Ltd Address:8thFloor,Elevator2,No.53PingheRoad,TongyiIndustrialPark, GuzhenTown,ZhongshanCity,GuangdongProvince,China Tel/Fax13822776705 E-Mail:[email protected]

ZhongshanYuhongLightingCo.,Ltd LongTermConfidentialityRequestLetter 2025-12-10 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 USA RE:CONFIDENTIALITYREQUESTFOR(FCCID:2BTFB-LED-DD-1) ToWhomItMayConcern: Thisletterservesasanofficialrequestforconfidentialityundersections0.457and0.459of CFR47.Wehaverequestedthatthe -e.g.Blockdiagram -e.g.SCH -e.g.OperationalDescription requiredtobesubmittedwiththisapplicationbepermanentlywithheldfrompublicreview. Theabovedocumentsarecompanyproprietaryinformationthatcouldnevergetinto thepossessionofyourcompetition. Pleasecontactmeifthereisanyinformationyoumayneed. Sincerely, Name:LiuXiao Position:Manager CompanyName:ZhongshanYuhongLightingCo.,Ltd Address:8thFloor,Elevator2,No.53PingheRoad,TongyiIndustrialPark, GuzhenTown,ZhongshanCity,GuangdongProvince,China Tel/Fax13822776705 E-Mail:[email protected]

Modeldifferenceletter 2025.12.10 DearMETReviewer, ThisisanewApplicationfromZhongshanYuhongLightingCo.,Ltd ModelNo.:LEDDD-1,LED-2 Onlythemodel“LEDDD-1”wastested,Theirelectricalcircuitdesign,layout, componentsusedandinternalwiringareidentical,Onlythemodelnameand Appearancecolourisdifferent. Thankyouforyourcooperation! Yourssincerely, Signatory: Name: LiuXiao Position: Manager CompanyName: ZhongshanYuhongLightingCo.,Ltd Address: 8thFloor,Elevator2,No.53PingheRoad,TongyiIndustrialPark,GuzhenTown, ZhongshanCity,GuangdongProvince,China Tel/Fax 13822776705 E-Mail: [email protected]

ModelNo.:LEDDD-1 FRONTVIEWOFSAMPLE BACKVIEWOFSAMPLE ModelNo.:LEDDD-1 LEFTVIEWOFSAMPLE RIGHTVIEWOFSAMPLE ModelNo.:LEDDD-1 TOPVIEWOFSAMPLE BOTTOMVIEWOFSAMPLE ModelNo.:LEDDD-1 PHOTOOFTHEENTIRESAMPLE ModelNo.:LED-2 FRONTVIEWOFSAMPLE BACKVIEWOFSAMPLE ModelNo.:LED-2 LEFTVIEWOFSAMPLE RIGHTVIEWOFSAMPLE

ModelNo.:LED-2 TOPVIEWOFSAMPLE BOTTOMVIEWOFSAMPLE ModelNo.:LED-2 PHOTOOFTHEENTIRESAMPLE

Model：LEDDD-1 ledstriplight FCCID:2BTFB-LED-DD-1

ModelNo.:LEDDD-1 Page1of4 INTERNALPHOTOOFSAMPLE INTERNALPHOTOOFSAMPLEPCB ModelNo.:LEDDD-1 Page2of4 INTERNALPHOTOOFSAMPLEPCB INTERNALPHOTOOFSAMPLEPCB BTantenna ModelNo.:LED-2 Page3of4 INTERNALPHOTOOFSAMPLE INTERNALPHOTOOFSAMPLEPCB ModelNo.:LED-2 Page4of4 INTERNALPHOTOOFSAMPLEPCB INTERNALPHOTOOFSAMPLEPCB BTantenna

ShenzhenMostTechnologyServiceCo.,Ltd. No.5,2ndLangshanRoad,NorthDistrict,Hi-techIndustrialPark,Nanshan, Shenzhen,Guangdong,China. RFExposureEvaluationReport ReportReferenceNo........................: FCCID.................................................: MTEB25110304-H 2BTFB-LED-DD-1 Compiledby (position+printedname+signature) .. :FileadministratorsAlisaLuo Supervisedby (position+printedname+signature)..:TestEngineerSunnyDeng Approvedby (position+printedname+signature)..: ManagerYvetteZhou Dateofissue.........................................:Nov.28,2025 RepresentativeLaboratoryName.:ShenzhenMostTechnologyServiceCo.,Ltd. Address.................................................: No.5,2ndLangshanRoad,NorthDistrict,Hi-techIndustrialPark, Nanshan,Shenzhen,Guangdong,China. Applicant’sname ............................... :ZhongshanYuhongLightingCo.,Ltd Address.................................................: 8thFloor,Elevator2,No.53PingheRoad,TongyiIndustrialPark, GuzhenTown,ZhongshanCity,GuangdongProvince,China Testspecification/Standard ............ : 47CFRPart1.1307 47CFRPart2.1093 TRFOriginator......................................:ShenzhenMostTechnologyServiceCo.,Ltd. ShenzhenMostTechnologyServiceCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe ShenzhenMostTechnologyServiceCo.,Ltd.isacknowledgedascopyrightownerandsourceofthe material.ShenzhenMostTechnologyServiceCo.,Ltd.takesnoresponsibilityforandwillnotassume liabilityfordamagesresultingfromthereader'sinterpretationofthereproducedmaterialduetoits placementandcontext. Testitemdescription........................: ledstriplight TradeMark ............................................ : N/A Model/Typereference ......................... : LEDDD-1 ListedModels ...................................... : LED-2 ModulationType..................................:GFSK OperationFrequency..........................:From2402MHzto2480MHz HardwareVersion.................................V1.0 SoftwareVersion...................................V1.0 Rating ..................................................... :DC5V,5W Result ..................................................... : PASS ReportNo.:MTEB25110304-HPage 2 of 5 TESTREPORT EquipmentunderTest:ledstriplight Model/Type:LEDDD-1 ListedModels:LED-2 Remark Onlythemodel“LEDDD-1”wastested,Theirelectricalcircuit design,layout,componentsusedandinternalwiringareidentical, OnlythemodelnameandAppearancecolourisdifferent. Applicant: ZhongshanYuhongLightingCo.,Ltd Address: 8thFloor,Elevator2,No.53PingheRoad,TongyiIndustrialPark, GuzhenTown,ZhongshanCity,GuangdongProvince,China Manufacturer:ZhongshanYuhongLightingCo.,Ltd Address :8thFloor,Elevator2,No.53PingheRoad,TongyiIndustrialPark, GuzhenTown,ZhongshanCity,GuangdongProvince,China TestResult : PASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetest laboratory. ReportNo.:MTEB25110304-HPage 3 of 5 1.RevisionHistory RevisionIssueDateRevisionsRevisedBy 00 2025.11.28 InitialIssueAlisaLuo ReportNo.:MTEB25110304-HPage 4 of 5 2.SAREvaluation 2.1RFExposureComplianceRequirement 2.1.1StandardRequirement AccordingtoKDB447498D01GeneralRFExposureGuidancev06 4.3.1.StandaloneSARtestexclusionconsiderations UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone1-gheadorbodyand 10-gextremitySARevaluationforgeneralpopulationexposureconditions,bymeasurementornumerical simulation,isnotrequiredwhenthecorrespondingSARExclusionThresholdcondition,listedbelow,is satisfied. 2.1.2Limits The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparationdistances≤50mm aredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance,mm)]·[√f(GHz)] ≤3.0for1-gSARand≤7.5for10-gextremitySAR,where Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mmand fortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtestseparation distanceis<5mm,adistanceof5mmisappliedtodetermineSARtestexclusion ReportNo.:MTEB25110304-HPage 5 of 5 2.1.3EUTRFExposure MeasurementData BLE GFSK Testchannel PeakOutputPower (dBm) Tuneuptolerance (dBm) Maximumtune-upPower (dBm) Lowest(2402MHz)1.931.93±12.93 Middle(2440MHz)1.271.27±12.27 Highest(2480MHz)0.420.42±11.42 Worstcase: GFSK Channel MaximumPeak ConductedOutput Power (dBm) Maximumtune-up Power Calculated value Exclusion threshold SARTest Exclusion (dBm)(mW) Lowest(2402MHz)1.932.931.960.603.0Yes .......................THEENDOFREPORT.........................

ShenzhenMostTechnologyServiceCo.,Ltd. No.5,2ndLangshanRoad,NorthDistrict,Hi-techIndustrialPark,Nanshan, Shenzhen,Guangdong,China. TESTREPORT FCCRulesPart15.247 ReportReferenceNo........................: FCCID................................................: MTEB25110304-R1 2BTFB-LED-DD-1 Compiledby (position+printedname+signature)..:FileadministratorsAlisaLuo Supervisedby (position+printedname+signature)..:TestEngineerSunnyDeng Approvedby (position+printedname+signature)..: ManagerYvetteZhou Dateofissue.........................................:Nov.28,2025 RepresentativeLaboratoryName.:ShenzhenMostTechnologyServiceCo.,Ltd. Address ................................................. : No.5,2ndLangshanRoad,NorthDistrict,Hi-techIndustrialPark, Nanshan,Shenzhen,Guangdong,China. Applicant’sname...............................:ZhongshanYuhongLightingCo.,Ltd Address.................................................: 8thFloor,Elevator2,No.53PingheRoad,TongyiIndustrialPark, GuzhenTown,ZhongshanCity,GuangdongProvince,China Testspecification/Standard ............ : FCCRulesPart15.247 TRFOriginator......................................:ShenzhenMostTechnologyServiceCo.,Ltd. ShenzhenMostTechnologyServiceCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe ShenzhenMostTechnologyServiceCo.,Ltd.isacknowledgedascopyrightownerandsourceofthe material.ShenzhenMostTechnologyServiceCo.,Ltd.takesnoresponsibilityforandwillnotassume liabilityfordamagesresultingfromthereader'sinterpretationofthereproducedmaterialduetoits placementandcontext. Testitemdescription........................: ledstriplight TradeMark...........................: N/A Model/Typereference.........................: LEDDD-1 ListedModels ..................................... : LED-2 ModulationType .................................. :GFSK OperationFrequency..........................:From2402MHzto2480MHz HardwareVersion.................................V1.0 SoftwareVersion...................................V1.0 Rating.....................................................:DC5V,5W Result ..................................................... :PASS ReportNo.:MTEB25110304-R1Page 2 of 42 TESTREPORT EquipmentunderTest:ledstriplight Model/Type:LEDDD-1 ListedModels: LED-2 Remark Onlythemodel“LEDDD-1”wastested,Theirelectricalcircuit design,layout,componentsusedandinternalwiringareidentical, OnlythemodelnameandAppearancecolourisdifferent. Applicant:ZhongshanYuhongLightingCo.,Ltd Address: 8thFloor,Elevator2,No.53PingheRoad,TongyiIndustrialPark, GuzhenTown,ZhongshanCity,GuangdongProvince,China Manufacturer:ZhongshanYuhongLightingCo.,Ltd Address : 8thFloor,Elevator2,No.53PingheRoad,TongyiIndustrialPark, GuzhenTown,ZhongshanCity,GuangdongProvince,China TestResult:PASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetest laboratory. ReportNo.:MTEB25110304-R1Page 3 of 42 Contents 1.REVISIONHISTORY.........................................................................................................................4 2.TESTSTANDARDS............................................................................................................................5 3.SUMMARY...............................................................................................................................................6 3.1.GeneralRemarks.........................................................................................................................................6 3.2.ProductDescription....................................................................................................................................6 3.3.EquipmentUnderTest................................................................................................................................6 3.4.ShortdescriptionoftheEquipmentunderTest(EUT)............................................................................6 3.5.EUToperationmode....................................................................................................................................7 3.6.BlockDiagramofTestSetup......................................................................................................................7 3.7.TestItem(EquipmentUnderTest)Description*.......................................................................................7 3.8.AuxiliaryEquipment(AE)Description.......................................................................................................7 3.9.AntennaInformation*..................................................................................................................................8 3.10.EUTconfiguration......................................................................................................................................8 3.11.Modifications..............................................................................................................................................8 4.TESTENVIRONMENT.......................................................................................................................9 4.1.Addressofthetestlaboratory...................................................................................................................9 4.2.Environmentalconditions...........................................................................................................................9 4.3.TestDescription.........................................................................................................................................10 4.4.Statementofthemeasurementuncertainty...........................................................................................10 4.5.EquipmentsUsedduringtheTest...........................................................................................................11 5.TESTCONDITIONSANDRESULTS.............................................…

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ReportNo.:MTEB25110304-R1Page 39 of 42 APPENDIXIV.ConductedSpurious&BandEdgeEmission TestResult ModeChannel OOB Emission Frequency (MHz) OOB Emission Level (dBm) Limit (dBm) OverLimit (dB) Result BLE1M 0 2400.00-32.347-18.94-13.407PASS 4803.64-58.117-18.94-39.177PASS 7207.00-60.768-18.94-41.828PASS 9606.62-63.753-18.94-44.813PASS 24915.7-46.056-18.94-27.116PASS 19 4879.80-49.314-18.9-30.414PASS 7318.12-62.239-18.9-43.339PASS 9760.18-61.954-18.9-43.054PASS 24955.7-46.288-18.9-27.388PASS 39 2483.50-45.502-20.09-25.412PASS 4960.33-49.052-20.09-28.962PASS 7439.22-63.050-20.09-42.960PASS 9921.24-63.468-20.09-43.378PASS 24955.0-44.887-20.09-24.797PASS Note:inputcompensationcoeffcient(dB)=CableLoss(dB) TestGraphs In-BandReferenceLevel BLE1M_Channel0 OutOfBandEmission BLE1M_Channel0 30.0MHz-25000.0MHz BLE1M_Channel0 In-BandReferenceLevel BLE1M_Channel19 ReportNo.:MTEB25110304-R1Page 40 of 42 30.0MHz-25000.0MHz BLE1M_Channel19 In-BandReferenceLevel BLE1M_Channel39 OutOfBandEmission BLE1M_Channel39 30.0MHz-25000.0MHz BLE1M_Channel39 ReportNo.:MTEB25110304-R1Page 41 of 42 APPENDIXV.DutyCycle TestResult ModeChannel OnTime (ms) Period(ms) DutyCycle (%) DutyCycle (linear) DutyCycle Factor(dB) 1/T BLE1M 00.1270.62520.380.20386.9087.8740 190.1270.62520.380.20386.9087.8740 390.1280.62520.430.20436.89737.8125 TestGraphs BLE1M_Channel0BLE1M_Channel19 BLE1M_Channel39 ReportNo.:MTEB25110304-R1Page 42 of 42 APPENDIXVI.PowerSpectralDensity TestResult ModeChannelPSD(dBm/3kHz)Limit(dBm/3kHz)Result BLE1M0-14.310≤8PASS BLE1M19-14.410≤8PASS BLE1M39-15.320≤8PASS TestGraphs BLE1M_Channel0BLE1M_Channel19 BLE1M_Channel39 .......................EndofReport.......................

Antenna describe 1. Antenna describe: Antenna plate PCB ANTENNA Make name/model name PDT-002 Antenna gain 0dBi Frequency range 2.4GHZ-2.483GHZ Connector type direct Manufacturer Name: DONGGUANG XIAOKE INDUSTRLES.CO.,LTD Manufacture Address: NO. 227, DONGCHENG SECTION, GUANDONG ROAD, DONGCHENG STREET, DONGGUAN CITY,CHINA 2.External view drawing: Picture of antenna Antenna Dimensions L1 2.15 mm L2 1.20 mm L3 1.95 mm W1 0.35 mm W2 0.35 mm D1 1.25 mm D2 1.65 mm D3 0.50 mm 3.Antenna Radiation Pattern

ModelNo.:LEDDD-1 CETESTSETUP RETESTSETUP ModelNo.:LEDDD-1 RETESTSETUP ModelNo.:LED-2 CETESTSETUP RETESTSETUP ModelNo.:LED-2 RETESTSETUP