2BT2V-HYF8W027.5 Christmas FIR 8 FUNCTION

1-ProductManual：sheet1/2 ProductName:7.5'ChristmasFIR-8FUNCTION ModelNo:YHL-2CTR-02_1500  FunctionDescription Thisproductisacolorfullightstringpoweredbyapoweradapter.It supportssettingandadjusting8flashmodesandisequippedwith3timing modes.Inaddition,itcomeswitha433MHzwirelessremotecontrolfor long-distancewirelessoperation.  BasicSpecifications。： 1）Poweredby120VAC50/60Hzalternatingcurrent(AC),withamaximum powerof15W. 2）Usethededicated433MHzwirelessremotecontrol； 3）Itadoptsa30VDClightstringcontrollertoachieve8flashmodes.； 4）Built-intimingcontrolmodewith3cyclictimingmodes. 1-4HON/20HOFF 2-6HON/18HOFF 3-8HON/16HOFF ProductFigure： 、 Sheet2/2 FCCAttention： AnyChangesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliance couldvoidtheuser'sauthoritytooperatetheequipment. ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice, pursuanttopart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotection againstharmfulinterferenceinaresidentialinstallation.Thisequipmentgeneratesusesandcan radiateradiofrequencyenergyand,ifnotinstalledandusedinaccordancewiththeinstructions, maycauseharmfulinterferencetoradiocommunications.However,thereisnoguaranteethat interferencewillnotoccurinaparticularinstallation.Ifthisequipmentdoescauseharmful interferencetoradioortelevisionreception,whichcanbedeterminedbyturningtheequipment offandon,theuserisencouragedtotrytocorrecttheinterferencebyoneormoreofthe followingmeasures: -Reorientorrelocatethereceivingantenna. -Increasetheseparationbetweentheequipmentandreceiver. -Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiveris connected. -Consultthedealeroranexperiencedradio/TVtechnicianforhelp. ThedevicehasbeenevaluatedtomeetgeneralRFexposurerequirement.Thedevicecanbeused inportableexposureconditionwithoutrestriction. SafetyandPrecautions: -PowerSupply:Usequalifiedsockets/powerstrips;donotconnectexcessiveloadsin series.Neverusedamagedwiresoragingsockets. -Environment:Indoor-onlymodelsareprohibitedforoutdooruse;outdoormodels shouldavoidprolongedimmersioninwater.Keepawayfromflammablematerialssuchas curtainsandpaper. Donotdisposeofitinordinarytrash;pleasefollowthedesignatedwastedisposalguidelines. -Personnel:Preventchildren/petsfrompullingorgnawingontheequipment.Avoidstaring directlyathigh-brightnessLEDlampbeadsforalongtime. -UsageDuration:Itisrecommendedtousetheequipmentfornomorethan8hoursaday.Cut offthepowerwhenunattended,andatimercanbeusedtopreventforgettingtoturnitoff.

DongguanHengliangLightingCo.,Ltd CoveredEquipmentCertificationAttestationLetter 3/7/2026 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA ATTN.:ReviewingEngineer FCCID:2BT2V-HYF8W02 DongguanHengliangLightingCo.,Ltd(“theapplicant”)certifiesthattheequipmentfor whichauthorizationissoughtisnot“covered”equipmentprohibitedfromreceivingan equipmentauthorizationpursuanttosection2.903oftheFCCrules. Note:Iftheequipmentforwhichtheapplicantseeksauthorizationisproducedby anyoftheentitiesidentifiedonthecurrentCoveredList,theapplicantshould includeanexplanationonwhytheequipmentisnot“covered”equipment. DongguanHengliangLightingCo.,Ltd(“theapplicant”)certifiesthat,asofthedateof thefilingoftheapplication,theapplicantisnotidentifiedontheCoveredList(asa specificallynamedentityoranyofitssubsidiariesoraffiliates)asanentityproducing “covered”equipment. DongguanHengliangLightingCo.,Ltd(“theapplicant”)certifiesthattheequipment forwhichauthorizationissoughtdoesnotincludecybersecurityoranti-virussoftware producedorprovidedbyKasperskyLab,Inc.oranyofitssuccessorsandassignees, includingequipmentwithintegratedKasperskyLab,Inc.(oranyofitssuccessorsand assignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB986446 D01CoveredEquipmentGuidancesectionB(2a). Signed: Printedname:ChenChao CompanyName:DongguanHengliangLightingCo.,Ltd Date:3/7/2026

DongguanHengliangLightingCo.,Ltd Date:2026-03-07 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 RE:LETTEROFAGENTAUTHORIZATION FCCID:2BT2V-HYF8W02 ToWhomItMayConcern: We,theundersigned,herebyauthorizeComplianceTesting,LLCtoactonourbehalfinallmatters relatingtoapplicationforequipmentauthorization,includingthesigningofalldocumentsrelatingto thesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothedenialof benefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseActof1988,21 U.S.C.853(a). Signature PrintedName:ChenChao Company:DongguanHengliangLightingCo.,Ltd Email:[email protected] Telephone:13509641801

DongguanHengliangLightingCo.,Ltd RequestforLong-TermConfidentialityLetter-FCC Date:2026-03-07 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,Maryland21046 Re:RequestforLong-Termconfidentiality FCCID:2BT2V-HYF8W02 Towhomitmayconcern, Weherebyrespectfullyrequestthatundertheprovisionof47CFR0.459and0.457(d)the documentslistedbelowandattachedwiththisapplicationforcertificationbeprovidedwithLong- Termconfidentialstatus.  Schematics BlockDiagrams  TheoryofOperation Anyexhibit/informationforwhichwehaverequestedconfidentiality,butwhichmaynotbe accordedsuchtreatmentbytheFCC,shouldbereturnedtous. Thedocumentslistedabovecontaintradesecretsthataretreatedasconfidentialbyus. Substantialcompetitiveharmtouscouldresultshouldtheybemadeavailabletothepublic. Sincerelyyours, Signature PrintedName:ChenChao Company:DongguanHengliangLightingCo.,Ltd Email:[email protected] Telephone:13509641801

FCCID:2BT2V-HYF8W02 FCCID:2BT2V-HYF8W02 FCCID:2BT2V-HYF8W02 FCCID:2BT2V-HYF8W02

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FCCID:2BT2V-HYF8W02 FCCID:2BT2V-HYF8W02

Page1of3 RFEXPOSUREEVALUATION FCCID:2BT2V-HYF8W02 ProductName:7.5'ChristmasFIR-8FUNCTION ModelName:YHL-2CTR-02_1500 Operatingfrequency:433.953MHz NumbersofChannels:1channel TypeofModulation:ASK AntennaType:PCBantenna AntennaGain:0dBi Powersupply:Li-ionBattery:DC3V HardwareVersion:V1.2 SoftwareVersion:V1.1 Page2of3 StandardRequirement Accordingto§1.1307b(1),systemsoperatingundertheprovisionsofthissectionshallbe operatedinamannerthatensuresthatthepublicisnotexposedtoradiofrequencyenergy levelsinexcessoftheCommission’sguidelines.SeeKDB447498D01GeneralRFExposure Guidancev06,section4.3.1. The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparation distances≤50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]*[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gSARextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison. Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤ 50mmandfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmisappliedtodetermineSARtestexclusion. RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,usingmeasurements orcomputersimulation.WhenroutineSARevaluationisnotrequired,portabletransmitters withoutputpowergreaterthantheapplicablelowthresholdrequireSARevaluationtoquality forTCBapproval. Page3of3 RFOutputpower Freq. (MHz) Fieldstrength(max)(dBuV/m) EIRP(max) (dBm) 433.95369.35-25.85 Note:EIRP=E-104.8+20logD, Where EistheelectricfieldstrengthindBμV/m. EIRPistheequivalentisotropicallyradiatedpowerindBm. disthespecifiedmeasurementdistanceinm. whereD=3,EIRP=E-95.2. Channel (MHz) Maximum output power (dBm) Tuneup tolerance (dBm) MaxTune UpPower (mW) Distance (mm) Calculation results Limit Operating Mode 433.953-25.85-25.85±10.00327350.0004313SRD AccordingtoKDB447498,ThedeviceonlysupportSRDfunction,andnosimultaneousSAR measurementisrequired.. Signature SimonPu Manager Date:2026-03-04

FCCTESTREPORT FCCID:2BT2V-HYF8W02 Product:7.5'ChristmasFIR-8FUNCTION ModelName:YHL-2CTR-02_1500 Brand:N/A ReportNo.:PTC26011614301E-FC01 Preparedfor DongguanHengliangLightingCo.,Ltd Room101,No.47ZhongxingRoad,QiaotouTown,DongguanCity,Guangdong Preparedby PreciseTesting&CertificationCo.,Ltd Building1,No.6,TongxinRoad,DongchengStreet,Dongguan,Guangdong,China ReportNo.:PTC26011614301E-FC01 Page 2 of 32 1.TESTRESULTCERTIFICATION Applicant’sname:DongguanHengliangLightingCo.,Ltd Address:Room101,No.47ZhongxingRoad,QiaotouTown,DongguanCity, Guangdong Manufacture'sname:DongguanHengliangLightingCo.,Ltd Address:Room101,No.47ZhongxingRoad,QiaotouTown,DongguanCity, Guangdong Product:7.5'ChristmasFIR-8FUNCTION Model:YHL-2CTR-02_1500 Standards :FCCCFR47Part15Section15.231 Testprocedure :ANSI C63.10-2020+Cor.1-2023 TestDate: February07,2026toMarch04,2026 DateofIssue: March04,2026 TestResult :Pass ThisdevicedescribedabovehasbeentestedbyPTC,andthetestresultsshowthatthe equipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditisapplicable onlytothetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofPTC,this documentmaybealteredorrevisedbyPTC,personalonly,andshallbenotedintherevision ofthedocument. TestEngineer: Jackzhou/Engineer TechnicalManager: SimonPu/Manager ReportNo.:PTC26011614301E-FC01 Page 3 of 32 Contents 2TESTSUMMARY...............................................................................................................................................4 3GENERALINFORMATION..............................................................................................................................5 3.1GENERALDESCRIPTIONOFE.U.T..........................................................................................................5 3.2TESTMODE..............................................................................................................................................5 3.3TESTSITE.................................................................................................................................................5 3.4DESCRIPTIONOFSUPPORTUNITS..........................................................................................................6 4EQUIPMENTDURINGTEST...........................................................................................................................7 4.1EQUIPMENTSLIST....................................................................................................................................7 4.2MEASUREMENTUNCERTAINTY................................................................................................................7 5CONDUCTEDEMISSION.................................................................................................................................8 5.1E.U.T.OPERATION..................................................................................................................................8 5.2EUTSETUP..............................................................................................................................................8 5.3TESTSET-UP(BLOCKDIAGRAMOFCONFIGURATION)........................................................................9 5.4MEASUREMENTPROCEDURE..................................................................................................................9 5.5CONDUCTEDEMISSIONLIMIT..................................................................................................................9 5.6MEASUREMENTDESCRIPTION.................................................................................................................9 5.7CONDUCTEDEMISSIONTESTRESULT....................................................................................................9 6PULSEDOPERATION....................................................................................................................................10 6.1TESTSETUP...........................................................................................................................................10 7RADIATEDSPURIOUSEMISSIONS...........................................................................................................14 7.1EUTOPERATION....................................................................................................................................15 7.2TESTSETUP...........................................................................................................................................16 7.3SPECTRUMANALYZERSETUP...............................................................................................................17 7.4TESTPROCEDURE.................................................................................................................................18 7.5SUMMARYOFTESTRESULTS...............................................................................................................19 820DBBANDWIDTHMEASUREMENT.........................................................................................................23 8.1TESTPROCEDURE.................................................................................................................................23 8.2TESTSETUP...........................................................................................................................................23 8.3TESTRESULT.........................................................................................................................................24 9ANTENNAREQUIREMENT...........................................................................................................................25 10TESTSETUP..................................................................................................................................................26 11EUTPHOTOS........................................................................................................…

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1/1 AntennaSpecification ModelName:YHL-2CTR-OXGRN Manufacture:DongGuanYIXINElectronicTechnologyCo.,Ltd. Address: DongGuancityXieGangTownxiechangRoad93#1st Building Antennagain:0dBi AntennaType:PCBAntenna FrequencyRange:433.953MHz

FCCID:2BT2V-HYF8W02 RadiatedSpuriousEmissions From30MHz-1000MHz Above1GHz