2AYUF-UR1700Bike Headlight

ShenZhenZhongKeRuiElectronicsCO.,LTD. Rev1/26/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2026/1/13 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2AYUF-UR1700 ShenZhenZhongKeRuiElectronicsCO.,LTD.(“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. ShenZhenZhongKeRuiElectronicsCO.,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:BobHsieh

ShenZhenZhongKeRuiElectronicsCO.,LTD. Rev1/26/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2026/1/13 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2AYUF-UR1700 ShenZhenZhongKeRuiElectronicsCO.,LTD.(“theapplicant”)certifiesthat,asofthedateofthefilingof theapplication,theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentityorany ofitssubsidiariesoraffiliates)asanentityproducing“covered” equipment. Sincerely, (Applicantsignature) ContactName:BobHsieh

ShenZhenZhongKeRuiElectronicsCO.,LTD. Rev1/26/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2026/1/13 Ref:AttestationStatementsPart2.911(d)(7)Filing FCCIDorGranteeCode:FCCID:2AYUF-UR1700or2AYUF ApplicantFRN:0030501266 ShenZhenZhongKeRuiElectronicsCO.,LTD.( “ theapplicant ” )certifiesthat,asofthedateofthefilingof theapplication,REPAmericaLLCisourdesignatedU.S.agentforserviceofprocessfortheabove referencedFCCID.ShenZhenZhongKeRuiElectronicsCO.,LTD.acceptstomaintainanagentfornoless thanoneyearafterthegranteehasterminatedallmarketingandimportationortheconclusionofany Commission-relatedproceedinginvolvingtheequipment. 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, BobHsiehMrBenXu ShenZhenZhongKeRuiElectronicsCO.,LTD.REPAmericaLLC [InsertApplicantsignature][U.S.Agentsignature]

ShenZhenZhongKeRuiElectronicsCO.,LTD. Rev11/20/07 FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationofFCCID:2AYUF-UR1700. 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) BobHsieh

FCCID:2AYUF-UR1700 ShenZhenZhongKeRuiElectronicsCO.,LTD. Differencedeclaration WeShenZhenZhongKeRuiElectronicsCO.,LTD..applyforCE-RED/FCCIDcertification,product name:BikeHeadlight,model:UR1700,UR900,UR1000,UR1100,UR1200,UR1300 Theproducthasmanymodels,onlythemodelnameandcolorisdifferent,andtheotherparts suchasthecircuitprinciple,pcbandelectricalstructurearethesame,themaintestmodel selectedisUR1700 Company:ShenZhenZhongKeRuiElectronicsCO.,LTD. Title:manager Name:BobHsieh Signature:

ShenZhenZhongKeRuiElectronicsCO.,LTD. M:\MasterDocuments\TEMPLATES\POA_Letter.doc FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Date:2026/1/13 SUBJECT:FCCApplicationforFCCID:2AYUF-UR1700 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) BobHsieh

FCCID:2AYUF-UR1700 External FCCID:2AYUF-UR1700 FCCID:2AYUF-UR1700 FCCID:2AYUF-UR1700

LabelLocation: Label:10*5mm FCCID:2AYUF-UR1700

FCCID:2AYUF-UR1700 Internal FCCID:2AYUF-UR1700 FCCID:2AYUF-UR1700 FCCID:2AYUF-UR1700 ant

Page1of1 RFExposureEvaluationReport 1RFEXPOSURE ProductName: BikeHeadlight ModelNo: UR1700 FCCID:2AYUF-UR1700 NOTE:accordingtoKDB447498D01GeneralRFExposureGuidancev06 ， Unlessspecifically requiredbythepublishedRFexposureKDBprocedures,standalone1-gheadorbodyand10-g extremitySARevaluationforgeneralpopulationexposureconditions,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:BLE Channel (MHz) MaximumPeak Conducted OutputPower (dBm) Tuneup tolerance (dB) Maximum tune-up Power (dBm) Maximum tune-up Power (mW) Calculated value Exclusion threshold 24021.89 ±1 2.891.9450.6033 Conclusion:thecalculatedvalue≤3.0,SARisexempted.

LenzeTechnologyCo.,LTD Tel:+860755-82031775;25332530Fax:+860755-82713604 26cnewspaperwesttower,6008shennanAvenue,FutianDistrict,ShenzhenCity,GuangdongProvince,China GENERALINFORMATION 1.1TestEnvironmentCondition AmbientTemperature 19to25°C AmbientRelative 45to55% Humidity AmbientPressureN/A(Notapplicable) 1.2Announce (1)Thetestreportisinvalidifnotmarkedwiththesignaturesofthepersonsresponsibleforpreparingand approvingthetestreport. (2)Thetestreportisinvalidifthereisanyevidenceand/orfalsification. (3)Theresultsdocumentedinthisreportapplyonlytothetestedsample,undertheconditionsandmodesof operationasdescribedherein. (4)Thisdocumentmaynotbealteredorrevisedinanywayunlessdonesoandallrevisionsare dulynotedintherevisionssection. (5)Contentofthetestreport,inpartorinfull,cannotbeusedforpublicityand/orpromotionalpurposes withoutpriorwrittenapprovalfromthelaboratory. LenzeTechnologyCo.,LTD Tel:+860755-82031775;25332530Fax:+860755-82713604 26cnewspaperwesttower,6008shennanAvenue,FutianDistrict,ShenzhenCity,GuangdongProvince,China PRODUCTINFORMATION 2.1Applicant Applicant LenzeTechnologyCo.,LTD Address d.c.,26cnewspaperwesttower,6008shennanAvenue,FutianDistrict, ContactPersonTony TelephoneNumber+860755-82031775;25332530 FaxNumber +860755-82713604 [email protected] 2.2Manufacturer Manufacturer LenzeTechnologyCo.,LTD Address d.c.,26cnewspaperwesttower,6008shennanAvenue,FutianDistrict, ShenzhenCity,GuangdongProvince,China ContactPersonN/A TelephoneNumberN/A FaxNumberN/A E-mailAddressN/A 2.3GeneralDescriptionforEquipmentunderTest(EUT) EUTTypeBluetoothAntenna ModelNamePCBAntenna AntennaTypePCBAntenna HardwareVersionN/A SerialNumberN/A DimensionsN/A 2.4TechnicalInformation FrequencyRange2400MHz~2500MHz TestFrequencies2402MHz,2441MHz,2480MHz LenzeTechnologyCo.,LTD Tel:+860755-82031775;25332530Fax:+860755-82713604 26cnewspaperwesttower,6008shennanAvenue,FutianDistrict,ShenzhenCity,GuangdongProvince,China SUMMARYOFTESTRESULTS 3.1TestStandards No.IdentityDocumentTitle 1IEEE149-1979IEEEStandardTestProceduresforAntennas 3.2TestVerdict ReportSectionDescriptionRemark ANNEXA.1GainAndEfficiency-- ANNEXBRadiationPattern-- 3.3TestUncertainty Theuncertaintyiscalculatedusingthemethodssuggestedinthe"GuidetotheExpressionofUncertaintyin Measurement"(GUM)publishedbyISO. ItemUncertainty VSWR(S11)0.4 Gain -0.08dBi LenzeTechnologyCo.,LTD Tel:+860755-82031775;25332530Fax:+860755-82713604 26cnewspaperwesttower,6008shennanAvenue,FutianDistrict,ShenzhenCity,GuangdongProvince,China GENERALTESTCONFIGURATIONS 4.1TestCondition EnvironmentParameter SelectedValuesDuringTests TemperatureVoltageRelativeHumidity NormalTemperature, NormalVoltage25°CN/A51% (NTNV) 4.2TestEquipmentList DescriptionManufacturerModelSerialNo.Cal.DateCal.Due VectorNetwork AgilentE5071CMY461034722014.09.072015.09.06 Analyzer 5*5*5FullAnechoic SATIMO5*5*5N/A2014.09.052015.09.04 Chamber SG24Multi-probe AntennaMeasurementSATIMOSG24-L1101855-00012014.10.252015.10.24 System 4.3TestSetup LenzeTechnologyCo.,LTD Tel:+860755-82031775;25332530Fax:+860755-82713604 26cnewspaperwesttower,6008shennanAvenue,FutianDistrict,ShenzhenCity,GuangdongProvince,China ANNEXATESTRESULTS A.1GainandEfficiency FrequencyGain(dBi)Efficiency(%) 2402MHz0.9 0.00 9 2441MHz -0.21 1.06 2480MHz-0.181.12 ANNEXBRADIATIONPATTERN 3DPattern 2402MHZ 0 -1 -3 -6 -15 -30 LenzeTechnologyCo.,LTD Tel:+860755-82031775;25332530Fax:+860755-82713604 26cnewspaperwesttower,6008shennanAvenue,FutianDistrict,ShenzhenCity,GuangdongProvince,China 2402MHZ 1DRadiationPattern PHI=0 Phi=0freq=2402MHz 0 -1 -3 -6 -15 -30 LenzeTechnologyCo.,LTD Tel:+860755-82031775;25332530Fax:+860755-82713604 26cnewspaperwesttower,6008shennanAvenue,FutianDistrict,ShenzhenCity,GuangdongProvince,China PHI=90 THETA=90 Phi=90freq=2402MHz Theta=90freq=2402MHz LenzeTechnologyCo.,LTD Tel:+860755-82031775;25332530Fax:+860755-82713604 26cnewspaperwesttower,6008shennanAvenue,FutianDistrict,ShenzhenCity,GuangdongProvince,China ANNEXCTESTSETUPPHOTO ANNEXDEUTPHOTO Antennashape

V1.0ReportNo.:DACE251219019RL001 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 71 RFTESTREPORT For ShenZhenZhongKeRuiElectronicsCO.,LTD. ProductName:BikeHeadlight TestModel(s):UR1700 ReportReferenceNo.:DACE251219019RL001 FCCID:2AYUF-UR1700 Applicant’sName:ShenZhenZhongKeRuiElectronicsCO.,LTD. Address: 501,BuildingA,Nankeng2ndIndustrialPark,Bantian,Longgang, Shenzhen518129,China TestingLaboratory:ShenzhenDACETestingTechnologyCo.,Ltd. Address: 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark, TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen, Guangdong,China TestSpecificationStandard:47CFRPart15.247 DateofReceipt:December19,2025 DateofTest:December19,2025toJanuary12,2026 DateofIssue:January12,2026 Result:Pass Note:Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofShenzhenDACE TestingTechnologyCo.,Ltd.ThisdocumentmaybealteredorrevisedbyShenzhenDACETestingTechnology Co.,Ltd.personnelonly,andshallbenotedintherevisionsectionofthedocument.Thetestresultsinthe reportonlyapplytothetestedsample V1.0ReportNo.:DACE251219019RL001 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 71 Applyforcompanyinformation Applicant’sName:ShenZhenZhongKeRuiElectronicsCO.,LTD. Address:501,BuildingA,Nankeng2ndIndustrialPark,Bantian,Longgang, Shenzhen518129,China ProductName:BikeHeadlight TestModel(s):UR1700 SeriesModel(s):UR900,UR1000,UR1100,UR1200,UR1300 TestSpecificationStandard(s):47CFRPart15.247 NOTE1: Themanufacturershouldensurethatallproductsinseriesproductionareinconformitywiththeproductsampledetailedin thisreport.Iftheproductinthisreportisusedinanyconfigurationotherthanthatdetailedinthereport,themanufacturer mustensurethenewsystemcomplieswithallrelevantstandards. Compiledby: Supervisedby: Approvedby: LucyMo/TestEngineerBenTang/ProjectEngineerMachaelMo/Manager January12,2026January12,2026January12,2026 V1.0ReportNo.:DACE251219019RL001 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 71 RevisionHistoryOfReport VersionDescriptionREPORTNo.IssueDate V1.0OriginalDACE251219019RL001January12,2026 V1.0ReportNo.:DACE251219019RL001 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 71 CONTENTS 1TESTSUMMARY...................................................................................................................................................6 1.1TESTSTANDARDS........................................................................................................................................6 1.2SUMMARYOFTESTRESULT.........................................................................................................................6 2GENERALINFORMATION....................................................................................................................................7 2.1CLIENTINFORMATION..................................................................................................................................7 2.2DESCRIPTIONOFDEVICE(EUT)..................................................................................................................7 2.3DESCRIPTIONOFTESTMODES....................................................................................................................8 2.4DESCRIPTIONOFSUPPORTUNITS................................................................................................................8 2.5EQUIPMENTSUSEDDURINGTHETEST........................................................................................................8 2.6STATEMENTOFTHEMEASUREMENTUNCERTAINTY....................................................................................10 2.7IDENTIFICATIONOFTESTINGLABORATORY.................................................................................................10 2.8ANNOUNCEMENT.......................................................................................................................................10 3EVALUATIONRESULTS(EVALUATION)...........................................................................................................11 3.1ANTENNAREQUIREMENT............................................................................................................................11 3.1.1Conclusion:.................................................................................................................................11 4RADIOSPECTRUMMATTERTESTRESULTS(RF).........................................................................................12 4.16DBBANDWIDTH.......................................................................................................................................12 4.1.1E.U.T.Operation:........................................................................................................................12 4.1.2TestSetupDiagram:...................................................................................................................12 4.1.3TestData:...................................................................................................................................13 4.2MAXIMUMCONDUCTEDOUTPUTPOWER....................................................................................................14 4.2.1E.U.T.Operation:........................................................................................................................14 4.2.2TestSetup…

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FCCID:2AYUF-UR1700 Emissionsinfrequencybands(below1GHz) Emissionsinfrequencybands(above1GHz)