2AVFB-VL-20LED Light

VL-20CRGBLEDpanellight ThankstochooseVL-20CRGBLEDpanellight. MettleVL-20CRGBLEDpanellightbuildinlithiumbattery.Ithasadvantagesofsoftlight,highluminousefficiency,longlife, outstandingcolorrendition.Meanwhileithasavarietyofeffectfunctions,andcanbecontrolledbymobilephoneAPP.Thelightis widelyusedindigitalphotography,filmandTVshooting,studiovideophotography. Structure 1LCDdisplay2USBport3Multi-functionbutton 4Powerbutton51/4”mount6LEDdevice Specification Power 20PCSRGBLED ColorIlluminance (Lux@1m) RGB 20PCSW/YLED5317028 Maxoutput(W)6WRemotedistance 10m Colortemperature2800-8000KModeCCT/HSI/GEL/EFX/SET Illuminance(Lux@1m) 130Master/SlaveYES CRI  95 SmartphonecontrolYES TLCI 95 buildinbattery3.7V2500mAh ChargeUSB5VWeight124g Size94×87×30mm MethodofApplication 1.Operation PressPowerbutton(4)toturnon.PressMulti-functionbutton(3)toswitchlightmode. 1.1CCTmode LongpressMulti-functionbutton(3),entermenu.SwitchMulti-functionbutton(3),enter“CCT”modeontheupperleftcornerof screen. ShortPressMulti-functionbutton(3)toselectparameter.SwitchMulti-functionbutton(3)toadjustCCTorpower. ①CCTadjustment ②Poweradjustment ③Batteryindicator ④GroupNo. ⑤LightNo. ⑥Master/Slave 1.2HSImode LongpressMulti-functionbutton(3),entermenu.SwitchMulti-function button(3),enter“HSI”modeontheupperleftcornerofscreen. ShortPressMulti-functionbutton(3)toselectparameter.Switch Multi-functionbutton(3)toadjustHue,SaturationandIntensity. 1.3GELmode LongpressMulti-functionbutton(3),entermenu.SwitchMulti-function button(3),enter“GEL”modeontheupperleftcornerofscreen. ShortPressMulti-functionbutton(3)toselectparameter.Switch Multi-functionbutton(3)toadjustcorresponding“GEL”modeand Intensity. 1.4EFXmode LongpressMulti-functionbutton(3),entermenu.SwitchMulti-function button(3),enter“EFX”modeontheupperleftcornerofscreen. ShortPressMulti-functionbutton(3)toselectparameter.Switch Multi-functionbutton(3)toadjustcorresponding“EFX”parameter. 1.5SETmode LongpressMulti-functionbutton(3),entermenu.SwitchMulti-function button(3),enter“EFX”modeontheupperleftcornerofscreen. ShortPressMulti-functionbutton(3)toselectparameter.Switch Multi-functionbutton(3)toadjustcorresponding“SET”parameter. A)G#Mode:SetGroupNoofeachlight. B)L#Mode:SetlightNoofeachlight. C)Master/SlaveMode MASTER:Transmitterandreceivertocontrolsamegrouplights.Whenadjustlightparameterinonegroup,cansynchronously changealllightstothesameparameterinthegroup.Whenadjustmainlightandtransmitterinthesametime,othergrouplights synchronouslychange. SLAVE:Onlyreceivertocontrolsamegrouplights.WhenadjustMasterlightparameterinonegroup,cansynchronously changealllightstothesameparameterinthegroup. NONE:WhenthereisNONEModeontheLCDdisplay,meansturnoffMaster/Slavemode. D）LAG:Selectsystemlanguage. E）RFD:Selectwhethertorestorefactorysettings. F）VER:Displaythecurrentsystemversion. 1.6Batteryindicator TheLCDdisplayshowsbatteryindicator③.Whenlowbattery,pleasechargethelightintime.Ifkeepworking,thelightwill automaticallyturnoffwhenbatterydead.ThelightcanbechargedbyUSBcableorwirelesscharge. 2.Disposal(endoflife) Inordertominimizehazardstohealthandtheenvironmentandensurethatmaterialscanberecycled,thisproductshouldbe disposedofataseparatecollectionfacility. MobileAPPdownload Downloadmobilephonesoftware"METTLElighting"tocontrollight. Youmaysimplysearch"METTLElighting"onAppStoreorGooglePlayStoretodownloadtheAPP.OryoumayscantheQRcode besidetodownloadtheAPP. Attention 1.Donotcoverlightbodyincaseeffectingthermaldissipation. 2.Keepclean,turnoffthelightwhencleaning. 3.Afterusing,keepthelightinasafeanddryplace. 4.Donotkeepthelightinsunlightorinhightemperature.Anddonotexposethelightindrippingorsplashing. 5.Donotusesolvents,gasoline,paintsandpesticidesintheproduct. 6.Donotinsertmetalobjectsintolamphousing. 7.Donotattempttorepairthelight.Iftherearesomeproblems,turnoffthelightandcontactyourdealerorourcompany. Packing 1Lightbody2Manual 3USBcable Troubleshooting Whenusingthisproduct,youmayencounterthefollowingproblems: DescriptionCauseTrouble-shooting Noreactionafterpoweron Dimmerknobon0%Rotatethedimmerknobclockwise. LightundertheSETmodeNormal. LowbatteryChargethebatterybeforeuse. CircuitboarddamagedReturntofactoryrepair. LCDdisplayincompleteor backlightoff LCDdisplaydamageReturntofactoryrepair. MettlePhotographicEquipmentCorporation Add:NO.98,2ndXinzhuRoad,XinbeiDistrict,Changzhou,Jiangsu,China Tel:0519-8882019988820299Fax:0519-88820399 Website:Http://www.mettlecorp.cnEmail:[email protected] FCCSTATEMENT: ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothefollowingtwoconditions: (1)Thisdevicemaynotcauseharmfulinterference,and (2)Thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycauseundesiredoperation. Warning:Changesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecouldvoidtheuser'sauthorityto operatetheequipment. NOTE:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice,pursuanttoPart15ofthe FCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainstharmfulinterferenceinaresidentialinstallation.This equipmentgeneratesusesandcanradiateradiofrequencyenergyand,ifnotinstalledandusedinaccordancewiththeinstructions, maycauseharmfulinterferencetoradiocommunications.However,thereisnoguaranteethatinterferencewillnotoccurina particularinstallation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevisionreception,whichcanbedeterminedby turningtheequipmentoffandon,theuserisencouragedtotrytocorrecttheinterferencebyoneormoreofthefollowingmeasures: Reorientorrelocatethereceivingantenna. Increasetheseparationbetweentheequipmentandreceiver. Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiverisconnected. Consultthedealeroranexperiencedradio/TVtechnicianforhelp. FCCRadiationExposurestatement: ThisequipmentcomplieswithFCCradiationexposurelimitssetforthforanuncontrolledenvironment.Thisequipmentshouldbe installedandoperatedwithminimumdistance20cmbetweentheradiator&yourbody.

MettlePhotographicEquipmentCorporation TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB986446D01. FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 10/30/23 Towhomitmayconcern: We,[MettlePhotographicEquipmentCorporation],herebycertifythattheequipmentforwhich authorizationissought(FCCID:[2AVFB-VL-20])isnot“covered”equipmentprohibitedfromreceiving anequipmentauthorizationpursuantto§2.903oftheFCCrules. Wealsocertifythat,asofthedateofthefilingoftheapplication,wearenotidentifiedontheCovered List(https://www.fcc.gov/supplychain/coveredlist)asanentityproducing“covered”equipment. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirements listedunder§2.911(b)and(d)(5)and(6). Sincerely, Signature [ZhongWen] [Manager] [ MettlePhotographicEquipmentCorporation ] 6 2 _ [ m o d e l ] C o v e r e d E q u _ 2 . 9 1 1 ( d ) ( 5 ) ( i ) a n d ( i i ) - U , V 0 2

ProjectNo.:18220WC302154Page 1 of 3 AppendixII--ExternalPhotograph ProjectNo.:18220WC302154Page 2 of 3 ProjectNo.:18220WC302154Page 3 of 3

LabelLocationOnEUT MADE IN CHINA Charge Input: 5V , 2A FCC ID: 2AVFB-VL-20 Mettle Photographic Equipment Corporation VL-20C LED Light

ProjectNo.:18220WC302154Page 1 of 3 AppendixIII--InternalPhotograph ProjectNo.:18220WC302154Page 2 of 3 ProjectNo.:18220WC302154Page 3 of 3 ANT

RFEXPOSUREEVALUATION FCCID:2AVFB-VL-20 AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeused toevaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF) Radiationasspecifiedin§1.1307(b): RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnot required,portabletransmitterswithoutputpowergreaterthantheapplicable lowthresholdrequireSARevaluationtoqualifyforTCBapproval. Channel (MHz) Maximum output power (dBm) Tuneup tolerance (dBm) MaxTuneUp Power(dBm) Distance (mm) Calculation results Limit Operating Mode 24021.971.97 ±1 2.97050.6143 GFSK 24401.631.63 ±1 2.63050.5733 24800.940.94±11.94050.4923 Result:NoStandaloneSARtestisrequired.

Page1of23 AppendixTestData ReportNo.:18220WC30215401TestSampleNo.:1-2-2 StartTestDate: 2023.10.16 FinishTestDate:2023.10.18 TestEngineer:Auditor: Temperature:25.6 °C RelativeHumidity:48.8% Pressure:101kPa AppendixA:DTSBandwidth TestResult TestModeAntennaFrequency[MHz] DTSBW [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt1 24020.662401.672402.330.5PASS 24400.672439.672440.340.5PASS 24800.672479.672480.340.5PASS Page2of23 TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page3of23 Page4of23 AppendixB:OccupiedChannelBandwidth TestResult TestModeAntennaFrequency[MHz] OCB[MHz] FL[MHz]FH[MHz] BLE_1MAnt1 24021.0152401.49652402.5115 24401.0192439.49652440.5155 24801.0152479.49652480.5115 Page5of23 TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page6of23 Page7of23 AppendixC:Maximumconductedoutputpower TestResultPeak TestModeAntennaFrequency[MHz] ConductedPeak Power[dBm] Conducted Limit[dBm] Verdict BLE_1MAnt1 24021.97≤30PASS 24401.63≤30PASS 24800.94≤30PASS Page8of23 TestGraphsPeak BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page9of23 Page10of23 AppendixD:Maximumpowerspectraldensity TestResult TestModeAntennaFrequency[MHz]Result[dBm/3kHz]Limit[dBm/3kHz]Verdict BLE_1MAnt1 2402-13.69≤8.00PASS 2440-14.01≤8.00PASS 2480-14.77≤8.00PASS Page11of23 TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page12of23 Page13of23 AppendixE:Bandedgemeasurements TestResult TestMod e Antenn a ChNam e Frequency[MHz ] RefLevel[dBm ] Result[dBm ] Limit[dBm ] Verdic t BLE_1MAnt1 Low24020.84-57.59≤-19.16PASS High24800.12-56.6≤-19.88PASS Page14of23 TestGraphs BLE_1M_Ant1_Low_2402 BLE_1M_Ant1_High_2480 Page15of23 AppendixF:ConductedSpuriousEmission TestResult TestMod e Antenn a Frequency[MHz ] FreqRange [MHz] RefLeve l [dBm] Result[dBm ] Limit[dBm ] Verdic t BLE_1MAnt1 2402 Reference1.021.02---PASS 30~10001.02-68.73≤-18.98PASS 1000~2650 0 1.02-60.2≤-18.98PASS 2440 Reference-0.58-0.58---PASS 30~1000-0.58-67.39≤-20.58PASS 1000~2650 0 -0.58-47.85≤-20.58PASS 2480 Reference-0.41-0.41---PASS 30~1000-0.41-68.7≤-20.41PASS 1000~2650 0 -0.41-60.32≤-20.41PASS Page16of23 TestGraphs BLE_1M_Ant1_2402_0~Reference BLE_1M_Ant1_2402_30~1000 BLE_1M_Ant1_2402_1000~26500 Page17of23 BLE_1M_Ant1_2440_0~Reference BLE_1M_Ant1_2440_30~1000 Page18of23 BLE_1M_Ant1_2440_1000~26500 BLE_1M_Ant1_2480_0~Reference Page19of23 BLE_1M_Ant1_2480_30~1000 BLE_1M_Ant1_2480_1000~26500 Page20of23 Page21of23 AppendixG:DutyCycle TestResult TestModeAntennaFrequency[MHz] ONTime [ms] Period [ms] DutyCycle [%] DutyCycle Factor[dB] BLE_1MAnt1 24020.380.6360.322.20 24400.380.6261.292.13 24800.380.6261.292.13 Page22of23 TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page23of23 ---End---

ReportNo.:18220WC30215401FCCID:2AVFB-VL-20Page1of32 FCCTestReport Applicant:MettlePhotographicEquipmentCorporation Address: No.98,2ndXinzhuRoad,XinbeiDistrict, Changzhou,Jiangsu,China213031 ProductName:LEDLight ReportDate:Oct.30,2023 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:18220WC30215401FCCID:2AVFB-VL-20Page2of32 Contents 1.GeneralInformation.................................................................................................................................6 1.1.ClientInformation..........................................................................................................................6 1.2.DescriptionofDevice(EUT)..........................................................................................................6 1.3.AuxiliaryEquipmentUsedDuringTest..........................................................................................7 1.4.DescriptionofTestModes.............................................................................................................8 1.5.MeasurementUncertainty.............................................................................................................8 1.6.TestSummary................................................................................................................................9 1.7.DescriptionofTestFacility...........................................................................................................10 1.8.Disclaimer....................................................................................................................................10 1.9.TestEquipmentList.....................................................................................................................11 2.Antennarequirement..............................................................................................................................13 2.1.Conclusion...................................................................................................................................13 3.ConductedEmissionatACpowerline..................................................................................................14 3.1.EUTOperation.............................................................................................................................14 3.2.TestSetup....................................................................................................................................14 3.3.TestData......................................................................................................................................15 4.OccupiedBandwidth..............................................................................................................................17 4.1.EUTOperation.............................................................................................................................17 4.2.TestSetup....................................................................................................................................17 4.3.TestData......................................................................................................................................17 5.MaximumConductedOutputPower.....................................................................................................18 5.1.EUTOperation.............................................................................................................................18 5.2.TestSetup....................................................................................................................................18 5.3.TestData......................................................................................................................................18 6.PowerSpectralDensity.........................................................................................................................19 6.1.EUTOperation.............................................................................................................................19 6.2.TestSetup....................................................................................................................................19 6.3.TestData......................................................................................................................................19 7.Emissionsinnon-restrictedfrequencybands.......................................................................................20 7.1.EUTOperation.............................................................................................................................20 7.2.TestSetup....................................................................................................................................20 7.3.TestData......................................................................................................................................20 8.Bandedgeemissions(Radiated)..........................................................................................................21 8.1.EUTOperation.............................................................................................................................21 8.2.TestSetup....................................................................................................................................21 8.3.TestData......................................................................................................................................22 9.Emissionsinfrequencybands(below1GHz).......................................................................................24 9.1.EUTOperation.............................................................................................................................24 9.2.TestSetup....................................................................................................................................25 9.3.TestData..................................................…

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version01 MettlePhotographicEquipmentCorporation DeclarationconcerningAntennaSpecification Itisherebydeclaredthattheproduct ModelNo.:VL-20C,VL-20P,VL-60C,VL-60P,RGB-CP452 FCCID:2AVFB-VL-20 fulfillstherequirementinFCCtestrelatingtotheantennatype. ThedevicespecifiedaboveconfirmstotheFCCrecommendationsfor internal antennatype(s) describedbelow: ModelNo.ofantenna:N/A Typeofantenna:PCBantenna Gainoftheantenna:1.9dBi Frequencyrange:2400-2500MHz Themountingoftheantennaisfixedtotheradiomoduleandnootherantennashouldbeused. Companyname:MettlePhotographicEquipmentCorporation Address:No.98,2ndXinzhuRoad,XinbeiDistrict,Changzhou,Jiangsu,China 213031 City:Changzhou ZIP/Postalcode:/ Country:China Place:ChangzhouDate:10/30/2023 Signature:

Onboardantenna Size: 长*宽*厚：10.8mm*5mm*35um PassiveTestFor2.4G FreqEffiEffiGainGainUHISDHISMaxMinDirectivityBeamwidthAttHAttV (MHz)(%)(dB)(dBi)(dBd)(%)(%)(dB)(dB)(dBi)(3dB)(dB)(dB) 240041.98-3.771.66-0.4915.62526.3511.66-16.795.43047.146.57 241042.53-3.711.69-0.4616.09826.4361.69-16.275.4047.0746.51 242044.19-3.551.71-0.4416.99727.1961.71-16.125.26047.1546.57 243043.63-3.61.6-0.5516.74626.881.6-16.825.21047.1846.59 244045.8-3.391.89-0.2617.63628.1611.89-16.985.28047.1846.63 245046.31-3.341.9-0.2517.87928.4331.9-17.295.24048.0547.55 246045.32-3.441.9-0.2517.84627.4781.9-20.295.33047.2146.76 247042.03-3.761.44-0.7117.14624.8861.44-24.845.21047.8147.41 248039.72-4.011.08-1.0716.78222.9391.08-21.585.09047.2546.91 249040.03-3.980.98-1.1717.14522.880.98-17.314.96048.1647.85 250038.08-4.190.81-1.3416.3221.7630.81-16.235.01047.1946.9

ProjectNo.:18220WC302154Page 1 of 2 AppendixI--TestSetupPhotograph_RF ConductedEmissionatACpowerline Emissionsinfrequencybands(below1GHz) ProjectNo.:18220WC302154Page 2 of 2 Emissionsinfrequencybands(above1GHz)