2BGFSSTR-LT-002Red Light Therapy Lamp Remote Control

ShenzhenSenterEcommerceCo.Ltd Rev1/26/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2025-12-23 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2BGFSSTR-LT-002 ShenzhenSenterEcommerceCo.Ltd(“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. ShenzhenSenterEcommerceCo.Ltd(“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtdoesnotincludecybersecurityoranti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofitssuccessorsandassignees,includingequipmentwithintegratedKaspersky Lab,Inc.(oranyofitssuccessorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24- 886andKDB986446D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, (Applicantsignature) ContactName:YangFangYe

ShenzhenSenterEcommerceCo.Ltd Rev1/26/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2025/12/23 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BGFSSTR-LT-002 ShenzhenSenterEcommerceCo.Ltd(“theapplicant”)certifiesthat,asofthedateofthefilingofthe application,theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentityoranyofits subsidiariesoraffiliates)asanentityproducing“covered” equipment. Sincerely, (Applicantsignature) ContactName:YangFangYe

ShenzhenSenterEcommerceCo.Ltd Rev1/26/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2025/12/23 Ref:AttestationStatementsPart2.911(d)(7)Filing FCCIDorGranteeCode:FCCID:2BGFSSTR-LT-002or2BGFS ApplicantFRN:0035433309 ShenzhenSenterEcommerceCo.Ltd( “ theapplicant ” )certifiesthat,asofthedateofthefilingofthe application,REPAmericaLLCisourdesignatedU.S.agentforserviceofprocessfortheabovereferenced FCCID.ShenzhenSenterEcommerceCo.Ltdacceptstomaintainanagentfornolessthanoneyearafter thegranteehasterminatedallmarketingandimportationortheconclusionofanyCommission-related proceedinginvolvingtheequipment. REPAmericaLLCaccepts,asofthedateofthefilingoftheapplication,theobligationofthedesignated U.S.agentforserviceofprocessfortheabovereferencedFCCID. DesignatedU.S.AgentInformation: Name:REPAmericaLLC S.AgentFRN:0034192500 Address:350TerrySt.200Longmont,CO80501UnitedStates ContactPerson:MrBenXu Tel.:(719)201-3314 Email:[email protected] Sincerely, YangFangYeMrBenXu ShenzhenSenterEcommerceCo.LtdREPAmericaLLC [InsertApplicantsignature][U.S.Agentsignature]

ShenzhenSenterEcommerceCo.Ltd Rev11/20/07 FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationofFCCID:2BGFSSTR-LT-002. PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestconfidential treatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitType Schematics Blockdiagram Operationdescription Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarilyreleasedto thepublic.Thepublicdisclosureofthesematerialsmaybeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors. TheapplicantunderstandsthatpursuanttoSection0.457oftheRules,disclosureofthis applicationandallaccompanyingdocumentationwillnotbemadebeforethedateoftheGrant forthisapplication. PursuanttoDA04-1705June15,2004oftheCommission’spublicnotice,wealsorequest temporaryconfidentialtreatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitType Sincerely, (signature) YangFangYe

ShenzhenSenterEcommerceCo.Ltd M:\MasterDocuments\TEMPLATES\POA_Letter.doc FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Date:2025/12/23 SUBJECT:FCCApplicationforFCCID:2BGFSSTR-LT-002 ToWhomItMayConcern: We,theundersigned,herebyauthorizeMachaelMoatShenzhenDACETesting TechnologyCo.,Ltd.onourbehalf,toapplytotheFederalCommunicationsCommission onourequipment.AnyandallactscarriedoutbyShenzhenDACETestingTechnology Co.,Ltd.onourbehalfshallhavethesameeffectasactsofourown. ThisistoadvisethatweareinfullcompliancewiththeAnti-DrugAbuseAct.We,the applicant,arenotsubjecttoadenialoffederalbenefitspursuanttoSection5301ofthe Anti-DrugActof1988,21USC853a,andnopartytotheapplicationissubjecttoadenial offederalbenefitspursuanttothatsection. Regards, (signature) YangFangYe

FCCID:2BGFSSTR-LT-002 External FCCID:2BGFSSTR-LT-002 FCCID:2BGFSSTR-LT-002

LabelLocation: Label:50*30mm RedLightTherapyLampRemoteControl Model:STR-LT-002FCCID:2BGFSSTR-LT-002 MadeinChina

FCCID:2BGFSSTR-LT-002 Internal FCCID:2BGFSSTR-LT-002 FCCID:2BGFSSTR-LT-002 ANT

PredictionofMPEatagivendistance ProductName: RedLightTherapyLampRemoteControl ModelNo: STR-LT-002 FCCID:2BGFSSTR-LT-002 NOTE:accordingtoKDB447498D01GeneralRFExposureGuidancev06，Unlessspecificallyrequiredby thepublishedRFexposureKDBprocedures,standalone1-gheadorbodyand10-gextremitySAR evaluationforgeneralpopulationexposureconditions,bymeasurementornumerical simulation,isnotrequiredwhenthecorrespondingSARTestExclusionThresholdcondition(s), listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing: TheEUTisaportabledevice [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Theproductisusedatadistanceof5mmfromthehumanbody. Here, 1.1EUTRFEXPOSUREEVALUATION OperationalMode:SRD Channel (MHz) MaximumPeak Conducted OutputPower (dBm) Tuneup tolerance (dB) Maximum tune-up Power (dBm) Maximum tune-up Power (mW) Calculated value Exclusion threshold 433.925-18.49 ±1 -17.490.0180.0063 Conclusion:thecalculatedvalue≤3.0,SARisexempted. Calculatedvalue0.10<3.0,SothereisnorequireSARtest dbm=dbuv/m-95.2,sothe433.925MHzpoweris76.71-95.2=-18.49dBm

Productspecification QuickReferenceDate Antennamoduleonthesystemboard FrequencRange 433.925MHz Ant.PortInputPwr.(dBm) 0(Typ.BTclass2outputpower) Tot.Rad.Pwr.(dBm) -1.2(Inputpwr–losspwr) PeakEIRP(dBm)1.2 Directivity(dBi) 1(alldirectionantenna) Efficiency(dB)60.2% Gain(dBi) MaximumPower(dBm 1.9(Peak Gain XZ-plane) ) 1.7(XY-plane) MinimumPower(dBm) -4(XY-plane) Avg.Power(dBm) -0.5(XY-plane) InputImpendence(ohm) 50 PolarizationType Vertical&Horizontal V.S.W.R <1.4 AntennaGai All the technical data and information contained herein are subject to change without prior notice Antenna Layout & module on the system board n ble XY-plan Unit in dBi eYZ-plan GainTa XZ-planee Efficiency Peak Avg.Avg. Peak Avg. ModuleBoard 1.2-0.5-3. Peak 1.961.1-3.060.2% ReturnLoss TheEnvironmentofAntennaRadiationPattern 3Dradiationpatterndiagram XY-planeXZ-planeYZ-plane

V1.0ReportNo.:DACE251118044RL001 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 1 of 27 RFTESTREPORT For ShenzhenSenterEcommerceCo.Ltd ProductName:RedLightTherapyLampRemoteControl TestModel(s):STR-LT-002 ReportReferenceNo.:DACE251118044RL001 FCCID:2BGFSSTR-LT-002 Applicant’sName:ShenzhenSenterEcommerceCo.Ltd Address: 3B11B,Building5,ZoneA,BaoanInternetIndustryBase,OysterIndustry Community,XixiangStreet,BaoanDistrict,Shenzhen TestingLaboratory:ShenzhenDACETestingTechnologyCo.,Ltd. Address: 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark, TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen, Guangdong,China TestSpecificationStandard:47CFRPart15.231 DateofReceipt:November18,2025 DateofTest:November18,2025toDecember11,2025 DataofIssue:December11,2025 Result:Pass Note:Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofShenzhenDACE TestingTechnologyCo.,Ltd.ThisdocumentmaybealteredorrevisedbyShenzhenDACETestingTechnology Co.,Ltd.personnelonly,andshallbenotedintherevisionsectionofthedocument.Thetestresultsinthe reportonlyapplytothetestedsample V1.0ReportNo.:DACE251118044RL001 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 2 of 27 Applyforcompanyinformation Applicant’sName:ShenzhenSenterEcommerceCo.Ltd Address:3B11B,Building5,ZoneA,BaoanInternetIndustryBase,Oyster IndustryCommunity,XixiangStreet,BaoanDistrict,Shenzhen ProductName:RedLightTherapyLampRemoteControl TestModel(s):STR-LT-002 SeriesModel(s):N/A TestSpecificationStandard(s):47CFRPart15.231 NOTE1: Themanufacturershouldensurethatallproductsinseriesproductionareinconformitywiththeproductsampledetailedin thisreport.Iftheproductinthisreportisusedinanyconfigurationotherthanthatdetailedinthereport,themanufacturer mustensurethenewsystemcomplieswithallrelevantstandards. Compiledby: Supervisedby: Approvedby: LucyMo/TestEngineerBenTang/ProjectEngineerMachaelMo/Manager December11,2025December11,2025December11,2025 V1.0ReportNo.:DACE251118044RL001 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 3 of 27 RevisionHistoryOfReport VersionDescriptionREPORTNo.IssueDate V1.0OriginalDACE251118044RL001December11,2025 V1.0ReportNo.:DACE251118044RL001 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 4 of 27 CONTENTS 1TESTSUMMARY...................................................................................................................................................5 1.1TESTSTANDARDS........................................................................................................................................5 1.2SUMMARYOFTESTRESULT.........................................................................................................................5 2GENERALINFORMATION....................................................................................................................................6 2.1CLIENTINFORMATION..................................................................................................................................6 2.2DESCRIPTIONOFDEVICE(EUT)..................................................................................................................6 2.3DESCRIPTIONOFTESTMODES....................................................................................................................6 2.4DESCRIPTIONOFSUPPORTUNITS................................................................................................................6 2.5EQUIPMENTSUSEDDURINGTHETEST........................................................................................................7 2.6STATEMENTOFTHEMEASUREMENTUNCERTAINTY......................................................................................8 2.7AUTHORIZATIONS.........................................................................................................................................8 2.8ANNOUNCEMENT.........................................................................................................................................8 3EVALUATIONRESULTS(EVALUATION).............................................................................................................9 3.1ANTENNAREQUIREMENT..............................................................................................................................9 3.1.1Conclusion:...................................................................................................................................9 4RADIOSPECTRUMMATTERTESTRESULTS(RF).........................................................................................10 4.120DBBANDWIDTH.....................................................................................................................................10 4.1.1E.U.T.Operation:........................................................................................................................10 4.1.2TestSetupDiagram:...................................................................................................................11 4.1.3TestData:...................................................................................................................................11 4.2DUTYCYCLE.............................................................................................................................................12 4.2.1E.U.T.Operation:.........................…

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FCCID:2BGFSSTR-LT-002 RadiatedEmission(below1GHz) RadiatedEmission(above1GHz)