2AP9Z-YZD05Water timer

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, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: 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. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction

DongguanE-ChiefElectronicTechnologiesCo.,Ltd. 2.911(d)(5)(i)EquipmentTypeAttestationv1.2 Section2.911(d)(5)(i)Certification–EquipmentType Companyname:DongguanE-ChiefElectronicTechnologiesCo.,Ltd. Address:F5,NO.687,FuminRoad,DalangTown,DongguanCity,GuangdongProvince,PRC DongguanChina ProductName:Watertimer FCCID:2AP9Z-YZD05 Model(s):YZD05,YZD01,YZD02,YZD03,YZD04,YZD05,YZD06,YZD07,YZD08,YZD09,YZD10, SGW03W 2.911(d)(5)(i)EquipmentType We,[DongguanE-ChiefElectronicTechnologiesCo.,Ltd.](“theapplicant”)certifythattheequipment forwhichauthorizationissoughtthroughcertificationisnot: Prohibitedfromreceivinganequipmentauthorizationpursuantto§2.903;oftheFCCrules. Identifiedasanequipmenttypeinthe“CoveredList” NOTE1 Yourssincerely, Name:YEFENGYUDate:2024.8.5 TitleandCompanyname:Manager/DongguanE-ChiefElectronicTechnologiesCo.,Ltd. NOTE1 “CoveredList”;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

DongguanE-ChiefElectronicTechnologiesCo.,Ltd. 2.911(d)(5)(ii)ApplicantAttestationv1.3 Section2.911(d)(5)(ii)Certification–Applicant(CoveredList) Companyname:DongguanE-ChiefElectronicTechnologiesCo.,Ltd. Address:F5,NO.687,FuminRoad,DalangTown,DongguanCity,GuangdongProvince,PRC DongguanChina ProductName:Watertimer FCCID:2AP9Z-YZD05 Model(s):YZD05,YZD01,YZD02,YZD03,YZD04,YZD05,YZD06,YZD07,YZD08,YZD09,YZD10, SGW03W 2.911(d)(5)(ii)Applicantfiling We,[DongguanE-ChiefElectronicTechnologiesCo.,Ltd.](“theapplicant”)certifythat,asofthedate ofthefilingoftheapplication,theapplicantisnotidentified NOTE1 onthe“CoveredList” NOTE2 , establishedpursuantto§1.50002ofthischapter,asanentityproducingcoveredcommunications equipment. Yourssincerely, Name:YEFENGYUDate:2024.8.5 TitleandCompanyname:Manager/DongguanE-ChiefElectronicTechnologiesCo.,Ltd. NOTE1 Deleteoptionnotapplicabletothisapplication. NOTE2 “CoveredList”;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

DongguanE-ChiefElectronicTechnologiesCo.,Ltd. 2.911(d)(7)USAAgentv1.5 Section2.911(d)(7)USAAgentforServiceofProcess Companyname:DongguanE-ChiefElectronicTechnologiesCo.,Ltd. Address:F5,NO.687,FuminRoad,DalangTown,DongguanCity,Guangdong Province,PRCDongguanChina ProductName:Watertimer FCCID:2AP9Z-YZD05 Model(s):YZD05,YZD01,YZD02,YZD03,YZD04,YZD05,YZD06,YZD07,YZD08, YZD09,YZD10,SGW03W 2.911(d)(7)USADesignatedAgentforServiceofProcess We,[DongguanE-ChiefElectronicTechnologiesCo.,Ltd.](“theapplicant”)designate [GSSSERVICEINC] NOTE1 forthepurposeofacceptingserviceofprocessonbehalf oftheapplicant. Applicantconsent:Weacknowledgeourconsenttoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipment,andatthephysicalU.S. addressandemailaddressofthedesignatedagentandacknowledgeour acceptanceofourobligationtomaintainanagentforserviceofprocessintheUnited Statesfornolessthanoneyearaftereitherwethegranteehavepermanently terminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S., orattheconclusionofanyCommission-relatedadministrativeorjudicialproceeding involvingtheequipment,whicheverislater. Agentobligation:Weacknowledgeourobligationtoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipmentatourphysicalU.S. addressandemailaddressfornolessthanoneyearaftereitherthegranteehas permanentlyterminatedallmarketingandimportationoftheapplicableequipment withintheU.S.,orattheconclusionofanyCommission-relatedadministrativeor judicialproceedinginvolvingtheequipment,whicheverislater. USAAgent Companyname:GSSSERVICEINC USAAddress:6547NAcademyBlvd#2266 ColoradoSpringsCo80918USA FRNNumber:0033402082 ContactName:MichouxLogan TelephoneNo:001-949-2990192 Email:[email protected] Applicant Companyname:DongguanE-Chief ElectronicTechnologiesCo.,Ltd. Address:F5,NO.687,FuminRoad, DalangTown,DongguanCity,Guangdong Province,PRCDongguanChina GranteeFRNNumber ： 0027647759 FCCGranteeCode:2AP9Z ContactName:YEFENGYU TelephoneNo:18682181315 Email:[email protected] DongguanE-ChiefElectronicTechnologiesCo.,Ltd. 2.911(d)(7)USAAgentv1.5 Signature: Title: Signature: Title:Manager Date:2024.8.5Date:2024.8.5 NOTE1:AnapplicantlocatedintheUnitedStatesmaydesignateitselfastheagentforservice ofprocess. Reference;FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-nation al-security-threats-to-the-communications-supply-chain-through-the

DongguanE-ChiefElectronicTechnologiesCo.,Ltd. AgentAuthorization Company:DongguanE-ChiefElectronicTechnologiesCo.,Ltd. Address:F5,NO.687,FuminRoad,DalangTown,DongguanCity,Guangdong Province,PRCDongguanChina ProductName:Watertimer ModelNumber(s):YZD05,YZD01,YZD02,YZD03,YZD04,YZD05,YZD06,YZD07, YZD08,YZD09,YZD10,SGW03W ProductDescription:Watertimer WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:2024.8.5 Name:YEFENGYU Title:Manager Company:DongguanE-ChiefElectronicTechnologiesCo.,Ltd.

DONGGUANE-CHIEFELECTRONICTECHNOLOGIESCO.,LTD ModelDifference Productdescription:Watertimer Modelname:YZD05 YZD01,YZD02,YZD03,YZD04,YZD05,YZD06,YZD07,YZD08,YZD09, YZD10,SGW03W TradeName:N/A AllthemodelarethesamecircuitandRFmodule,Onlytheappearanceofthecoloris different. Regards Sincerely Client’ssignature: Client’sname/title: YEFENGYU/Manager Contactinformation/address:F4No.671,FuminRoad,DalangTown,Dongguan, 523000China

DongguanE-ChiefElectronicTechnologiesCo.,Ltd. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:2024.8.5 Subject;RequestforConfidentiality FCCID:2AP9Z-YZD05 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthesedocuments mightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. 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:YEFENGYU Title:Manager

EUTPHOTO(ExternalPhotos) Model:YZD05 ※※※※※ENDOFREPORT※※※※※

Labelandlabellocation 3cm Watertimer FCCID:2AP9Z-YZD05 1.5cm

EUTPHOTO(InternalPhotos) Model:YZD05 ANT ※※※※※ENDOFREPORT※※※※※

FCCID:2AP9Z-YZD05 RFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093， UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone 1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposure conditions,bymeasurementornumericalsimulation,isnotrequiredwhenthe correspondingSARTestExclusionThresholdcondition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f (GHz) ]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f (GHz) istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Here, ForBLE ModeMax Power(dBm) Max Power(mW) Frequency(MHz)Min. distance(mm) Calc. thresholds limit GFSK-0.4490.90240250.279523.0 SoaSARtestisnotrequired

2.4GHzFPCAntenna:ANF4212B2400F2K2 Application: WLAN,802.11b/g,Bluetooth,etc... Features Highreliability,ultraImpact,Omni-directional... Partnumber ElectricalSpecification WorkingFrequencyRange2400~2500MHz PeakGain2.0dBi(type) Impedance50Ohm VSWR2.0Max PolarizationLinear AzimuthBeamwidthOmni-directional OperationTemperature(°C)-30~70°C DimensionandTerminalConfiguration 4 2 . 0 0 ± 0 . 2 5 12.00±0.25 105.00±0.5 φ 1 . 1 3 I-PEX一代 ANF4212B2400F2K2 (1)(2)(3)(4)(5)(6) (1)ProductCodeFPCAntenna (2)SizeCode42x12mm (3)PackingINBulk (4)Frequency2400MHz (5)SeriesF2 (6)TypeK2 2.4GHzFPCAntenna:ANF4212B2400F2K2 ElectricalCharacteristics RetunlossSmith Efficiency PeakGain 2.4GHzFPCAntenna:ANF4212B2400F2K2 RadiationPattern 2.4GHzFPCAntenna:ANF4212B2400F2K2 Packing: RevisionHistory VersionDateDescription Ver.01 Jul.2023 Newissue. Jul.2023Ver.01

ProjectNo.:ZKT-2407248670E Page 1 of 38 FCCTESTREPORT FCCID:2AP9Z-YZD05 ReportNumber. .................................... : ZKT-2407248670E DateofTest ....................................................... : Jul.24,2024-Jul.31,2024 Dateofissue ......................................... : Jul.31,2024 Totalnumberofpages..........................38 TestResult..........................................: PASS TestingLaboratory............................: ShenzhenZKTTechnologyCo.,Ltd. Address...............................................: 1/F,No.101,BuildingB,No.6,TangweiCommunityIndustrial Avenue,FuhaiStreet,Bao'anDistrict,Shenzhen,China Applicant'sname.............................: DONGGUANE-CHIEFELECTRONICTECHNOLOGIESCO.,LTD Address...............................................: F4No.671,FuminRoad,DalangTown,Dongguan,523000China Manufacturer'sname ...................... : DONGGUANE-CHIEFELECTRONICTECHNOLOGIESCO.,LTD Address...............................................: F4No.671,FuminRoad,DalangTown,Dongguan,523000China Testspecification: Standard ................................................ : FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10:2013 Testprocedure ..................................... : / Non-standardtestmethod................:N/A TestReportFormNo........................: TRF-EL-111_V0 TestReportForm(s)Originator.....: ZKTTesting MasterTRF ........................................ : Dated:2020-01-06 ThisdevicedescribedabovehasbeentestedbyZKT,andthetestresultsshowthattheequipmentunder test(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofZKT,thisdocumentmay bealteredorrevisedbyZKT,personalonly,andshallbenotedintherevisionofthedocument. Productname.....................................:Watertimer Trademark...........................................:N/A Model/Typereference......................:YZD05 YZD01,YZD02,YZD03,YZD04,YZD05,YZD06,YZD07,YZD08, YZD09,YZD10,SGW03W Ratings..................................................: Input:DC3V,200mA±20mA ProjectNo.:ZKT-2407248670E Page 2 of 38 Testingprocedureandtestinglocation: TestingLaboratory.......................................:ShenzhenZKTTechnologyCo.,Ltd. Address............................................................:1/F,No.101,BuildingB,No.6,TangweiCommunity IndustrialAvenue,FuhaiStreet,Bao'anDistrict, Shenzhen,China JimLiu Testedby(name+signature).......................: JacksonFang Reviewer(name+signature) ....................... : LakeXie Approved(name+signature) ....................... : ProjectNo.:ZKT-2407248670E Page 3 of 38 TableofContents Page 1.VERSION....................................................................................................................5 2.SUMMARYOFTESTRESULTS...............................................................................6 2.1TESTFACILITY.................................................................................................................7 2.2MEASUREMENTUNCERTAINTY....................................................................................7 3.GENERALINFORMATION........................................................................................8 3.1GENERALDESCRIPTIONOFEUT.................................................................................8 3.2DESCRIPTIONOFTESTMODES....................................................................................9 3.3BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED..............9 3.4DESCRIPTIONOFSUPPORTUNITS(CONDUCTEDMODE)........................................9 3.5EQUIPMENTSLISTFORALLTESTITEMS.................................................................10 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 4.2.1RADIATEDEMISSIONLIMITS...............................................................................14 4.2.2TESTPROCEDURE...............................................................................................15 4.2.3DEVIATIONFROMTESTSTANDARD..................................................................15 4.2.4TESTSETUP...........................................................................................................15 4.2.5EUTOPERATINGCONDITIONS...........................................................................16 5.RADIATEDBANDEMISSIONMEASUREMENT.....................................................21 5.1TESTREQUIREMENT:..............................................................................................21 5.2TESTPROCEDURE..................................................................................................21 5.3DEVIATIONFROMTESTSTANDARD.....................................................................21 5.4TESTSETUP..............................................................................................................22 5.5EUTOPERATINGCONDITIONS..............................................................................22 5.6TESTRESULT...........................................................................................................23 6.POWERSPECTRALDENSITYTEST......................................................................24 6.1APPLIEDPROCEDURES/LIMIT...................................................…

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EUTTESTPHOTO Model:YZD05