2BWIY-HD-ST38Outdoor String Lights

7 Download the LotusLamp X App Scan the QR code to download the app, or search for “LotusLamp X” on the App Stor e or Google Play. Compatible with Android 4.3+ and iOS 8.0+ Please enable Bluetooth and allow the required permissions for normal app functionality. 1. My Devices ① Device List Displays available devices. Connected devices will be highlighted. ② Connection Status Tap to connect or disconnect the device. ③ Power Button Tur n the lights ON or OFF. ④ Settings Open the device settings page. ⑤ Display Mode Switch the device list display mode. ⑥ Add Device Add a device, group, or virtual device. 2. Device Details 2.1 Color Control Customize your lighting with the color wheel or choose from preset color options. ① Connection Status View the current connection status. ② Color Wheel Adjust the light color. ③ Preset Colors Quickly switch between preset colors. ④ Brightness Adjust the light brightness. ⑤ Power Tur n the lights ON or OFF. 2.2 Music Mode Sync your lights with music effects. ① Device Microphone Use the built-in device microphone. ② Phone Microphone Sync lights with music captured by your phone. ③ Uploaded Music Play lighting effects with uploaded music files. ④ Individual LED Control Customize the color of individual LED bulbs. ⑤ Brightness Adjust the light brightness. ⑥ Mode Selection Choose different music lighting modes. 2.3 Scene Modes Customize your lighting atmosphere with adjustable dynamic effects. ① Mode List Swipe to switch between lighting modes. ② Speed Control Adjust the effect transition speed. ③ Brightness Adjust the brightness of the lights. 2.4 Schedule Set automatic ON/OFF timers for your lights. Note: Timer settings are stored on the device. Af ter reconnecting, the app will automatically sync the saved schedule settings. 2.5 Device Settings ① Icon Customize the device icon. ② Name Rename your device. ③ Create Group Group multiple devices together. ④ Custom Functions Set personalized lighting functions. ⑤ Remove Device Remove the device from the app. 3. Settings ① Auto Add Devices Automatically search for nearby devices and add them to the device list. ② Connection Options Automatic Connection Automatically reconnect to saved devices. Memory Connection Reconnect to the most recently connected device. Manual Connection Manually select and connect to a device. 4. Other Change Backgr ound Customize the app backgr ound image. Multi-Language Switch the app language or follow the system language. Share the App Share the app download QR code. Feedback Contact us by email for support or feedback. About View app ver sion information. 5. FAQ Q1: The app cannot find the device. A: Make sure the device is in pairing mode and Bluetooth is enabled on your phone. Q2: The remote control is not working. A: Check the batter y installation and ensure there are no obstructions bet ween the remote and the controller. Q3: The lights flicker or behave abnormally. A: Ensure the power supply is stable and verify the correct input voltage is being used. 6. Safety Instructions • Use only compatible LED bulbs with the recommended wattage. • Ensure bulbs are fully installed before use. • Avoid damaging the wires or exposing them to sharp edges, heat, or excessive tension. • Use the product only within its specified waterproof rating. • Keep away from fire and flammable materials. • Do not disassemble or modify the product. • Disconnect the power before installation, maintenance, or when not in use. • Regularly inspect the wires, plugs, and sockets for damage. • Keep out of r each of children during installation. • Stop using the product immediately if any damage is detected. Failure to follow these instructions may result in electric shock, fire, or injury. 7. Customer Support Thank you for choosing Zentirva. If you have any questions regarding installation, app connection, or product usage, our support team is here to assist you. We aim to respond within 24 hours. Email: [email protected] FCC WARNING This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference; (2) This device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: - Reorient or relocate the receiving antenna. - Increase the separation between the equipment and receiver. - Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. - Consult the dealer or an experienced radio/TV technician for help. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.

Rev1/26/2023 ShenzhenHuidayoupinTechnologyCo.,Ltd FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:6-24-2026 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2BWIY-HD-ST38 ShenzhenHuidayoupinTechnologyCo.,Ltdcertifiesthattheequipmentforwhichauthorizationis soughtisnot“covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuantto section2.903oftheFCCrules. ShenzhenHuidayoupinTechnologyCo.,Ltdcertifiesthattheequipmentforwhichauthorizationis soughtdoesnotincludecybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab,Inc. oranyofitssuccessorsandassignees,includingequipmentwithintegratedKasperskyLab,Inc.(oranyof itssuccessorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB 986446D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, (Applicantsignature) (Applicantprintedname):DexinWang Rev1/26/2023 ShenzhenHuidayoupinTechnologyCo.,Ltd FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:6-24-2026 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BWIY-HD-ST38 ShenzhenHuidayoupinTechnologyCo.,Ltdcertifiesthat,asofthedateofthefilingoftheapplication, theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentityoranyofitssubsidiaries oraffiliates)asanentityproducing“covered”equipment. Sincerely, (Applicantsignature) (Applicantprintedname):DexinWang

ShenzhenHuidayoupinTechnologyCo.,Ltd Unit322A17,Building618,BagualingIndustrialZone,FutianDistrict,ShenzhenCity,China U.S.AgentLetterofAttestation To:FederalCommunicationsCommission 7435OaklandMillsRoad,Columbia,MD21046,USA Date:Jun.29,26 Ref:AttestationStatement–Part2.911(d)(7)filing FCCID:2BWIY-HD-ST38 ShenzhenHuidayoupinTechnologyCo.,Ltd(“theapplicant”)certifiesthat,asofthedateofthe filingoftheapplication,[LOBOSIOWAINC](“theagent”)isourdesignatedU.S.agentforserviceof processfortheabovereferenceFCCID.Theapplicantacceptstomaintainanagentforserviceof processintheUnitedStatesfornolessthanoneyearaftereitherthegranteehaspermanently terminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S.,orthe conclusionofanyCommission-relatedadministrativeorjudicialproceedinginvolvingtheequipment, whicheverislater.TheapplicantfurtheracknowledgesitisourresponsibilitytoinformtheFCC whenevertheagentinformationchanges. [LOBOSIOWAINC]("theagent)understanditistheagent'sobligationtoacceptserviceofprocess intheUnitedStatesformattersrelatedtotheapplicableequipment,andatthephysicalU.S. addressandemailaddress. DesignatedU.S.Agent CompanyName:LOBOSIOWAINC FRN:0036413961 Address:4623BittercreekDrColoradoSpringsco 80922Us Signature: ContactPerson:HarleyLi Tel:(818)818-0538Email:[email protected] Applicant CompanyName:ShenzhenHuidayoupinTechnologyCo.,Ltd FRN:0038520920 Address:Unit322A17,Building618,Bagualing IndustrialZone,FutianDistrict,ShenzhenCity,China Signature: ContactPerson:DexinWang Tel:15818350565Email:[email protected]

ShenzhenHuidayoupinTechnologyCo.,Ltd Date：6-24-2026 ProductModelNumber: HD-ST38 FCCID ：2BWIY-HD-ST38 Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatQAILaboratoriesLtd.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyQAILaboratoriesLtd.onour behalfshallhavethesameeffectasactsofourown. By:DexinWang ContactListedonFCCWesbite Title:Manager Email:[email protected] Telephone:15818350565 Onbehalfof:ShenzhenHuidayoupinTechnologyCo.,Ltd

ShenzhenHuidayoupinTechnologyCo.,Ltd OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:June29,2026 Subject;RequestforConfidentiality FCCID:2BWIY-HD-ST38 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthese documentsmightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantage inthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure SoftwareSecurityRequirementsforUNIIdevices Inadditionaltoabovementioneddocuments,inordertocomplywiththemarketingregulations inTitle47CFR§2.803andtheimportationrulesinTitle47CFR§2.1204,whileensuringthat businesssensitiveinformationremainsconfidentialuntiltheactualmarketingofnewly authorizeddevices,werequestShortTermConfidentialityofthefollowingattachment(s); ExternalPhotos TestSetupPhotos InternalPhotos UserManual For45days,pursuanttoPublicNoticeDA04-1705. OR For180dayspursuanttoKDB726920D01. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name: DexinWang Title: Manager

ShenzhenHuidayoupinTechnologyCo.,Ltd ProductSimilarityDeclaration EUTDescription:OutdoorStringLights FCCID:2BWIY-HD-ST38 ModelNo.:HD-ST38 SeriesModel:HD-S11,HD-S14,HD-G40,HD-ST38-5C,HD-S11- 5C,HD-G40-5C We(ShenzhenHuidayoupinTechnologyCo.,Ltd)herebystate thatallthemodelsareelectricalidenticalincludingthesame softwareparameterandhardwaredesign(i.e.,circuitdesign,PCB Layout,RFmodule/circuit,antennatype(s)andantennalocation, componentsonPCB,etc.,),samemechanicalstructureand design(includingproductenclosure,materials,etc.,),theonly differenceisthemodelnameandcolor. Signature: Name:DexinWang Title:Manager Place,date:Jun.18,2026

Page1of5FCS202606103 Externalphotos Photo1 Photo2 Page2of5FCS202606103 Photo3 Photo4 Page3of5FCS202606103 Photo5 Photo6 Page4of5FCS202606103 Photo7 Photo8 Page5of5FCS202606103 Photo9

LabelandLabelLocation FCCID:2BWIY-HD-ST38 Thisdevicecomplieswithpart15oftheFCCRules.Operationis subjecttothefollowingtwoconditions: (1)Thisdevicemaynotcauseharmfulinterference,and (2)thisdevicemustacceptanyinterferencereceived,including interferencethatmaycauseundesiredoperation. L*W:4cm*3cm labelandblackfont

Page1of2FCS202604107 Internalphotos Photo1 Photo2 ANT Page2of2FCS202604107 Photo3

Page 1 of 2 ReportNo.:FCS202606103 H01 FCCRFExposure EUTDescription:OutdoorStringLights ModelNo.:HD-ST38 FCCID:2BWIY-HD-ST38 Equipmenttype:mobileequipment RFExposureEvaluation Limits Thecriterialistedinthefollowingtableshallbeusedtoevaluatetheenvironmentimpactofhuman exposuretoradiofrequency(RF)radiationasspecifiedin1.1307(b) LimitsforMaximumPermissibleExposure(MPE) Frequencyrange (MHz) Electricfield strength (V/m) Magneticfieldstrength (A/m) Powerdensity (mW/cm 2 ) Averagingtime (minutes) (A)LimitsforOccupational/ControlledExposures 0.3–3.06141.63*(100)6 3.0–301842/f4.89/f *(900/f 2 ) 6 30–30061.40.1631.06 300–1500f/3006 1500–100,000 5 6 (B)LimitsforGeneralPopulation/UncontrolledExposure 0.3–1.346141.63*(100)30 1.34–30824/f2.19/f *(180/f 2 ) 30 30–30027.50.0730.230 300–1500 f/1500 30 1500–100,0001.030 f=frequencyinMHz Friistransmissionformula:Pd=(Pout*G)/(4*pi*r 2 ) Where Pd=powerdensityinmW/cm 2 ,Pout=outputpowertoantennain mW;G=gainofantennainlinearscale,Pi=3.1416; R=distancebetweenobservationpointandcenteroftheradiatorincm PdidthelimitofMPE,1mW/cm 2 .Ifweknowthemaximumgainoftheantennaandthetotalpower inputtotheantenna,throughthecalculation,wewillknowthedistancerwheretheMPElimitis reached. TestProcedure SoftwareprovidedbyclientenabledtheEUTtotransmitandreceivedataatlowest,middleandhighest channelindividually. No.FCS202604107H01 1.TestResultofRFExposureEvaluation BLE Frequency(MHz) Output power(dBm) Maxtune- up(mW) Min. distance(cm) Calc. thresholds LimitResult 2402 1.24 1.3305 20.000.00026471.0000Pass 2440 0.81 1.205020.000.00023971.0000Pass 2480 2.57 1.8072 20.000.00035951.0000Pass Conclusion:NoSARisrequired

Antenna describe 1. Antenna describe: Antenna plate PCB ANTENNA PDT-model name 002 Antenna gain 0dBi Frequency range 2.4GHZ-2.483GHZ Connector type direct Manufacturer: Shenzhen Nansheng Electric Appliance Co., Ltd Address: 502 Fenghuangshiji Business Center , Fenghuang Community, Fuyong Street, Bao'an District, Shenzhen City, Guangdong Province, 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 Radiation [email protected] Total Average Gain: - 0.475 dbi 0 45 90 135 180 235 270 315 Phi Gain - 0.2 - 0.3 - 0.8 - 0.5 - 0.2 - 0.5 - 0.8 - 0.5 Radiation [email protected] Total Average Gain: - 0.275 dbi 0 45 90 135 180 235 270 315 Phi Gain 0 - 0.2 - 0.4 - 0.6 - 0.1 - 0.3 - 0.6 - 0.4 Radiation [email protected] Total Average Gain: - 0.237 dbi 0 45 90 135 180 235 2 70 315 Phi Gain 0 - 0.2 - 0.3 - 0.5 0 - 0.3 - 0.6 - 0.2

FCCTestReport ReportNo:FCS202606103W01 Issuedfor Applicant:ShenzhenHuidayoupinTechnologyCo.,Ltd Address: Unit322A17,Building618,BagualingIndustrialZone, FutianDistrict,ShenzhenCity,China ProductName:OutdoorStringLights BrandName:Zentirva ModelName:HD-ST38 SeriesModel: HD-S11 ， HD-S14 ， HD-G40 ， HD-ST38-5C ， HD-S11-5C ， HD-G40-5C FCCID:2BWIY-HD-ST38 IssuedBy:FluxComplianceServiceLaboratory Add:Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-Tech Industrial,SongshanlakeDongguan Tel:0769-27280901Fax:0769-27280901http://www.FCS-lab.com Page 2 of40ReportNo.:FCS202606103W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:0769-27280901Fax:0769-27280901http://www.FCS-lab.com TESTRESULTCERTIFICATION Applicant’sName ...................... : ShenzhenHuidayoupinTechnologyCo.,Ltd Address ...................................... : Unit322A17,Building618,BagualingIndustrialZone,Futian District,ShenzhenCity,China Manufacture'sName ................ : ShenzhenHuidayoupinTechnologyCo.,Ltd Address ...................................... : Unit322A17,Building618,BagualingIndustrialZone,Futian District,ShenzhenCity,China ProductDescription ProductName...........................: OutdoorStringLights BrandName ............................... : Zentirva ModelName..............................: HD-ST38 SeriesModel .............................. : Seethefirstpageofthereport TestStandards..........................:FCCRulesandRegulationsPart15SubpartC,Section247 TestProcedure..........................:ANSIC63.10:2020+Cor.1-2023 ThisdevicedescribedabovehasbeentestedbyFluxComplianceServiceLaboratory,thetestresults showthattheequipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditis applicableonlytothetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofFluxCompliance ServiceLaboratory,thisdocumentmaybealteredorrevisedbyFluxComplianceServiceLaboratory, personalonly,andshallbenotedintherevisionofthedocument.. DateofTest...................................: Date(s)ofperformanceoftests . :Jun.9,2026~Jun.17,2026 DateofIssue.................................:Jun.17,2026 TestResult.....................................:Pass Testedby: (orangeOuYang) Reviewedby : (Jayden) Approvedby: ( JackWang ) Page 3 of40ReportNo.:FCS202606103W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:0769-27280901Fax:0769-27280901http://www.FCS-lab.com TableofContentsPage 1.SUMMARYOFTESTRESULTS..............................................................................................6 1.1TESTFACTORY................................................................................................................7 1.2MEASUREMENTUNCERTAINTY.....................................................................................7 2.GENERALINFORMATION.......................................................................................................8 2.1GENERALDESCRIPTIONOFTHEEUT..........................................................................8 2.2BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED.............10 2.3DESCRIPTIONOFNECESSARYACCESSORIESANDSUPPORTUNITS.................11 2.4EQUIPMENTSLIST.........................................................................................................12 3.CONDUCTEDEMISSIONMEASUREMENT.........................................................................13 4.6DBBANDWIDTH..................................................................................................................17 4.1Limit..................................................................................................................................17 4.2TestProcedure.................................................................................................................17 4.3Testsetup.........................................................................................................................17 4.4Testresults.......................................................................................................................17 4.5OriginalTestData.............................................................................................................18 5.CONDUCTEDOUTPUTPOWER...........................................................................................21 5.1LIMIT................................................................................................................................21 5.2TESTPROCEDURE........................................................................................................21 5.3TESTSETUP...................................................................................................................21 5.5TESTRESULTS...............................................................................................................21 6.BANDEDGEANDSPURIOUS(CONDUCTED)....................................................................22 6.1LIMIT................................................................................................................................22 6.2TESTPROCEDURE........................................................................................................22 6.3TESTSETUP...................................................................................................................22 6.4TESTRESULTS...............................................................................................................23 6.5Originaltestdata..............................................................................................................23 7.POWERSPECTRALDENSITY..............................................................................................25 7.1LIMIT................................................................................................................................25 …

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Page1of2 ReportNo.:FCS202604107 RE（Below1GHz） RE（Above1GHz） Page2of2 ReportNo.:FCS202604107 CE