2A82I-DX2100302Desktop atmosphere light (WIFI )

Agent Dongguan DaXian Lighting Technology CO., LTD Authorization We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our Company:Dongguan DaXian Lighting Technology CO., LTD Address:No. 72, Tai'an, Liyuan Road, Zhangmutou town, Dongguan City, Guangdong Province Name: Model Number(s): DX21003-02, DX21002-03, DX21002-04,DX21005-04,DX21002-XX DX21003-XXDX21005-XX(XX=01-10) We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. own. Date: Oct. 18, 2022 Signature: Name: Title: Xing Liu Manager Company: Dongguan DaXian Lighting Technology CO., LTD

DongguanDaXianLightingTechnologyCO.,LTD OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date: Oct 18, 2022 Subject; Request for Confidentiality FCC ID: 2A82I-DX2100302 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure 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:XingLui Title:Manager

FCCID:2A82I-DX21003 DongguanDaXianLighting TechnologyCO.,LTD ModelConfirmationLetter Signiture We,Dongguan DaXian Lighting Technology CO., LTD, certify the product: Desktop atmosphere light (WIFI ), Model No.:DX21003-02,DX21002-03, DX21002-04,DX21005-04,DX21002-XX,DX21003-XX,DX21005-XX(XX=01- 10). Their electrical circuit design, layout, components used and internal wiring are identical, Only the color will be different ,so the name will be different. Test sample model:DX21003-02 : GranteeContact:XingLiu CompanyName:DongguanDaXianLightingTechnologyCO.,LTD Date:2022-10-24

FCC ID:2A82I-DX2100302

Label:30* 20 mm

FCC ID:2A82I-DX2100302

RFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev064.3.1.StandaloneSARtest exclusionconsiderationsUnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures, standalone1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposure conditions,bymeasurementornumericalsimulation,isnotrequiredwhenthecorrespondingSAR ExclusionThresholdcondition,listedbelow,issatisfied FCC ID: 2A82I-DX2100302 . Limits AccordingtoFCCPart1.1310:Thecriterialistedinthefollowingtableshallbeusedtoevaluatethe environmentimpactofhumanexposuretoradiofrequency(RF)radiationasspecifiedinpart1.1307(b) F=FrequencyinMHzFriisFormula Friistransmissionformula:Pd=(Pout*G)/(4*Pi*R2)Where Pd=powerdensityinmW/cm2 Pout=outputpowertoantennainmW G=gainofantennainlinearscale Pi=3.1416 R=distancebetweenobservationpointandcenteroftheradiatorincm PdidthelimitofMPE.Ifweknowthemaximumgainoftheantennaandthetotalpowerinputtotheantenna, throughthecalculation,wewillknowthedistancerwheretheMPElimitisreached. TestResultofRFExposureEvaluation 2.4G-WIFIANT:1dBi; AntennaGain:ThemaximumGainmeasuredinfullyanechoicchamberis1.0inlinearscale. OutputPowerIntoAntenna&RFExposureEvaluationDistance: MeasurementData TheMaxConductedPeakOutputPowerdatarefertoreportReportNo.:ZKT-220927L7242 2.4GWIFI-worstmodeandchannel: Testchannel OutputPower (dBm) Tuneuptolerance (dBm) Maximumtune-upPower Calculated value (mW/cm2) Limit (dBm)(mW) 802.11g 2437MHz 17.5317±11863.0961.0.01250 Remark: 1)The Max Conducted Peak Output Power data refer to report Report No.: ZKT-220830L6257-03 2) Pd = (Pout*G)/(4* Pi * R 2 )=( 63.096*1)/(4*3.14159*20*20)=0.0125,G=10 gain/10=1 3) Use distance of the products ismorethan20cmawayfromthehumanbody.

V . S .W . R < 1.4 Polarization Type V ertical & Horizontal Frequenc Range2400 ~ 2500GHz Input Impendence(ohm)50 Ef ficiency (dB) 6 0.2 % 6 0.2 % Maximum Power (dBm) 1.6 8(XZ-plane) Gain (dBi)0 (Avg Gain XY-plane) Peak EIRP(dBm)1.2 Tot. Rad. Pwr. (dBm)-1.2 (Input pwr – loss pwr) Product sp ecification Qu ick Reference Date Antenna m odule on the system board Ant. Port Input Pwr. (dBm)0 (Typ. BT class 2 output power) Directivity (dBi)1 (all direction antenna) Minimum Power (dBm ) -3.83(XZ-plane) Avg. Power (dBm)-0.48(XY-plane) All the technical data and information contained herein ar e subject to change without prior notice Antenna Layout & module on the system board Antenna Gain Ga in Table Unit in dBi @2.44GHz XY-planeXZ-planeYZ-plane Efficiency Peak Avg. Peak Avg. Peak Avg. Module Board -0 -2.68 -0.48 -3.83 -1.11 -2.99 Return Loss The Environment of Antenna Radiation Pattern 3D radiation pattern diagram XY-planeXZ-planeYZ-plane

ProjectNo.:ZKT-220927L7242 Page 1 of 67 ReportNumber. .................................. : ZKT-220927L7242 DateofTest.......................................................: Aug.25,2022--Sep.22,2022 Dateofissue.........................................: Sep.22,2022 Totalnumberofpages..........................67 TestResult ............................................ : PAS FCC TEST REPORT FCC ID:2A82I-DX2100302 S TestingLaboratory. ........................... :ShenzhenZKTTechnologyCo.,Ltd. Address...............................................: 1/F,No.101,BuildingB,No.6,TangweiCommunityIndustrial Avenue,FuhaiStreet,Bao'anDistrict,Shenzhen,China Applicant'sname.............................: DongguanDaXianLightingTechnologyCO.,LTD Address ............................................... : No.72,Tai'an,LiyuanRoad,Zhangmutoutown,DongguanCity, GuangdongProvince Manufacturer'sname ...................... : DongguanDaXianLightingTechnologyCO.,LTD Address...............................................: No.72,Tai'an,LiyuanRoad,Zhangmutoutown,DongguanCity, GuangdongProvince Testspecification: Standard................................................: FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10:2013 Testprocedure ..................................... : / Non-standardtestmethod ................ :N/A TestReportFormNo. ....................... : TRF-EL-110_V0 TestReportForm(s)Originator.....: ZKTTesting MasterTRF ........................................ : Dated:2020-01-06 ThisdevicedescribedabovehasbeentestedbyZKT,andthetestresultsshowthattheequipmentunder test(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofZKT,thisdocumentmay bealteredorrevisedbyZKT,personalonly,andshallbenotedintherevisionofthedocument. Productname.....................................: Desktopatmospherelight(WIFI) Trademark ........................................... : N/A Model/Typereference.........................: DX21003-02,DX21002-03,DX21002-04,DX21005-04,DX21002- XX，DX21003-XX，DX21005-XX(XX=01-10) Ratings..................................................: DC5Vfromadapterorothers ProjectNo.:ZKT-220927L7242 Page 2 of 67 Testingprocedureandtestinglocation: TestingLaboratory.......................................:ShenzhenZKTTechnologyCo.,Ltd. Address............................................................:1/F,No.101,BuildingB,No.6,TangweiCommunity IndustrialAvenue,FuhaiStreet,Bao'anDistrict, Shenzhen,China AlenHe Testedby(name+signature) ....................... : JoeLiu Reviewer(name+signature).......................: LakeXie Approved(name+signature) ....................... : ProjectNo.:ZKT-220927L7242 Page 3 of 67 TableofContents Page 1.VERSION.....................................................................................................................5 2.SUMMARYOFTESTRESULTS..................................................................................6 2.1TESTFACILITY....................................................................................................................6 2.2MEASUREMENTUNCERTAINTY.......................................................................................7 3.GENERALINFORMATION..........................................................................................7 3.1GENERALDESCRIPTIONOFEUT....................................................................................7 3.2DESCRIPTIONOFTESTMODES......................................................................................9 3.3BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED...............10 3.4DESCRIPTIONOFSUPPORTUNITS(CONDUCTEDMODE)........................................10 3.5EQUIPMENTSLISTFORALLTESTITEMS.....................................................................11 4.EMCEMISSIONTEST...............................................................................................12 4.1CONDUCTEDEMISSIONMEASUREMENT....................................................................12 4.1.1POWERLINECONDUCTEDEMISSIONLIMITS....................................................12 4.1.2TESTPROCEDURE..................................................................................................12 4.1.3DEVIATIONFROMTESTSTANDARD.....................................................................12 4.1.4TESTSETUP.............................................................................................................13 4.1.5EUTOPERATINGCONDITIONS..............................................................................13 4.1.6TESTRESULT...........................................................................................................14 4.2RADIATEDEMISSIONMEASUREMENT.........................................................................16 4.2.1RADIATEDEMISSIONLIMITS.................................................................................16 4.2.2TESTPROCEDURE..................................................................................................17 4.2.3DEVIATIONFROMTESTSTANDARD.....................................................................17 4.2.4TESTSETUP.............................................................................................................18 4.2.5EUTOPERATINGCONDITIONS..............................................................................19 4.2.6TESTRESULTS.........................................................................................................19 5.RADIATEDBANDEMISSIONMEASUREMENT........................................................29 5.1TESTREQUIREMENT:......................................................................................................29 5.2TESTPROCEDURE..........................................................................................................29 5.3DEVIATIONFROMTESTSTANDARD.............................................................................30 5.4TESTSETUP....…

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RadiatedEmissio FCCID:2A82I-DX2100302 n ConductedEmission