2AYZD-IBSP05IWIRELESS POOL MONITOR WITH AMBIENT LIGHT

0.5°C. A temperature difference of ≤0.5°C between the pool thermometer and the indoor units is a design limitation intended to reduce power consumption and extend battery life. Contact after-sales service if the difference exceeds 0.5°C.

ShenzhenInkbirdTechnologyCo.,Ltd Date:June27,2025 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(i)requestforFCCID:2AYZD-IBSP05I ShenzhenInkbirdTechnologyCo.,Ltdcertifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivingan equipmentauthorizationpursuanttosection2.903oftheFCCrules. Wealsocertifythat,asofthedateofthefilingoftheapplication,theequipmentdoes notutilizecyber-securityoranti-virussoftwarefromKasperskyLab,Inc,oranyofits successorsandassignees,whichisalsoonthe“coveredlist”. Sincerely, (Applicantsignature) (Applicantprintedname)：BickyXie ShenzhenInkbirdTechnologyCo.,Ltd Date:June27,2025 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(ii)requestforFCCID:2AYZD-IBSP05I ShenzhenInkbirdTechnologyCo.,Ltdcertifiesthat,asofthedateofthefilingofthe application,theapplicantisnotidentifiedontheCoveredListasanentityproducing “covered”equipment. Sincerely, (Applicantsignature) (Applicantprintedname)：BickyXie

ShenzhenInkbirdTechnologyCo.,Ltd p 1 / 3 6 3 _ C o m p l i a n c e p r o o f c o v e r e d l i s t - 2 . 9 1 1 ( d ) ( 5 ) ( i ) a n d ( i i ) - s o f t w a r e _ V 0 2 Date:June18,2025 ---CoveredListSoftwareIncapability 1 --- Device(modelname):IBS-P05R-I Grantee:2AYZD FCCID:2AYZD-IBSP05I Devicefeatures: OperatingSystem(asapplicable): StorageCapacity(harddriveor otherpermanentmemorystorage): COLOR 1 Listofminimumrequirementstoimplementcoveredlistsoftware–iftheEUTdoesnothavecapabilitytoinstall Kasperskyunderthegivenconfiguration.Page2mustalsobehandedin. Note:IfthedeviceiscapableofrunningKasperskysoftware,atleastonedocumentmustbeprovidedfromathird partyshowingthattheKasperskysoftwareisnotpresentonthedevice.Thiscouldincludetheresultsofasoftware scan,ascreencaptureofthedevicesoftwareregisterorotherobjectiveevidencethatprovestheKasperskysoftware isnotonthedevice.Pleasefollowoptionslistedonpage2. ShenzhenInkbirdTechnologyCo.,Ltd p 2 / 3 6 3 _ C o m p l i a n c e p r o o f c o v e r e d l i s t - 2 . 9 1 1 ( d ) ( 5 ) ( i ) a n d ( i i ) - s o f t w a r e _ V 0 2 MODE TIMER COMFORT Isinstallationofthird-party softwarepossible? YESNO Doesthedevicehaveaninternet connection? YESNO CanthedeviceconnecttoaPC?YESNO Chipset/moduleinformation: Chipset/modulepartnumber:Memorysize(MB) MinimumsystemrequirementsKasperskyasofDecember3,2024 AndroidMemory:120MBDiscspace:unknownProcessorspeed:unknown MacOSMemory:2000MBDiscspace:2200MHzProcessorspeed:unknown WindowsMemory:1000MBDiscspace:1000MBProcessorspeed:1GHz LinuxMemory:1000MBDiscspace:1000MHzProcessorspeed:1GHz Basedonthereviewoftheabovefactsheet(s)anddevicefeatures,thedevice cannotsupportinstallationofanycybersecurityoranti-virussoftwareonthecoveredlist. potentiallycanoperatewithanycybersecurityoranti-virussoftwareonthecoveredlist– additional3 rd partyproofisprovidedtodemonstratecompliancewithrequirementsasof 2.911(d)5(i),(ii)–page2ofthisdocumentapplies. ShenzhenInkbirdTechnologyCo.,Ltd p 3 / 3 6 3 _ C o m p l i a n c e p r o o f c o v e r e d l i s t - 2 . 9 1 1 ( d ) ( 5 ) ( i ) a n d ( i i ) - s o f t w a r e _ V 0 2 Signature: Name:BickyXie Title/Position:CTO -Optionstoprovideofcompliancewithcoveredlistsoftwarerequirements- Pleasefillinasapplicableandprovideadditionalproofasrequested: 1Hastheclientsignedanattestationstatingthedeviceis incapableofrunningtheKasperskysoftware(page1)? *YES–nomoreproofneeded–2-5donotapply>N/A **NO–moreproofmustbeprovided(item2-5mustbe answered) YES*NO** 2Didthetestlaborother3rdpartyotherthanthe certificationbodyandapplicantprovidealistofsoftware installedonthedeviceandistherenoevidenceof Kasperskysoftwarebeinginstalled? ***YES–please: YES***NON/A InsertFileName: Insert3 rd PartyName: 3Havetheresultsofasoftwarescanbeenprovided showingthatKasperskysoftwareisnotinstalledonthe device? ***YES–please: YES***NON/A InsertFileName: Insert3 rd PartyName: 4HasanyotherobjectiveevidencethatKasperskysoftware isnotinstalledonthedevicebeenprovided? ***YES–please: YES***NON/A InsertFileName: Insert3 rd PartyName: 5Hasatleastoneoftheaboveitemsbeenshownasa YES? ****NO–applicantfailedtoprovidesufficientproof– applicationfilingisrejected. YESNO**** Note: Filescontainingconfidentialoperationaldetailscanbekeptlong-termconfidentialonapplicant’srequest.

U.S. Agent Designation for Service of Process ATTENTION: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA REGARDING: FCC Certification – Section 2.911(d)(7) Information This letter is to confirm that we (“Mars Register Agent LLC) have accepted the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911(d) Designated U.S. Agent Company Name: Mars Register Agent LLC Contact Name: Jessie Peng Street Address: 8932 Mission Dr unit 207 City/Province/Zip: Rosemead, CA 91770-1452 Telephone No: (818) 579-7288 Email:[email protected] FRN#: FRN: 0033790684 (7) on behalf of the Applicant noted below. U.S. Agent Signature: Date: 04/23/2025 Signed by (Printed Name/Title): Jessie Peng/ CEO *This letter must be dated within 1-year (update if other terms apply) of the date the application is submitted to the TCB for device certification. The Applicant confirms its explicit consent and acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information above changes. Date: 04 Applicant Company name: Shenzhen Inkbird Technology Co., Ltd. FCC ID:2AYZD-IBSP05I Contact Name: Bicky Xie Street Address: Room 1803, Guowei Building, NO.68 Guowei Road, Xianhu Community, Liantang, Luohu District,ShenzhenChina Telephone No:(+86)755-25721303 Email:[email protected] FRN:0030614085 Applicant Signature: /23/2025 Signed by (Printed Name/Title):Bicky Xie/CTO Shenzhen Inkbird Technology Co., Ltd.

ShenzhenInkbirdTechnologyCo.,Ltd Date:June18,2025 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:CONFIDENTIALITYREQUEST Product:WIRELESSPOOLMONITORWITHAMBIENTLIGHT ModelNO.:IBS-P05R-I FCCID:2AYZD-IBSP05I ToWhomItMayConcern: Thisletterservesasanofficialrequestforconfidentialityundersections0.457and0.459 ofCFR47.Wehaverequestedthatthe(SchematicDiagram,BlockDiagram,Operational Description)requiredtobesubmittedwiththisapplicationbepermanentlywithheldfrom publicreview. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsidered asproprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthese documentsmightbeharmfultoourcompanyandwouldgivecompetitorsanunfair advantageinthemarket. Pleasecontactmeifthereisanyinformationyoumayneed. Sincerely, Signature: Name:BickyXie Title:CTO

ShenzhenInkbirdTechnologyCo.,Ltd Date:June18,2025 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:LETTEROFAGENTAUTHORIZATION FCCID:2AYZD-IBSP05I ToWhomItMayConcern: We,theundersigned,herebyauthorizeShenzhenHuaxiaTestingTechnologyCo.,Ltd.toacton ourbehalfinallmattersrelatingtoapplicationforequipmentauthorization,includingthesigning ofalldocumentsrelatingtothesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothe denialofbenefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseAct of1988,21U.S.C.853(a). Thisagreementexpiresoneyearfromthecurrentdate. Sincerely, Signature: Name:BickyXie Title:CTO

Externalphotos

IBS-P05R-镭雕图（室内机433M）-20250626-V2.0 YUI 江晓庆 102.01.00918 1、20250523-V1.0 增加model，更新FCC ID 2、20250626-V2.0 流水号增加前缀“S/N:” 删除IC认证图标 变更内容：

Internalphotos ANT

ShenzhenHuaxiaTestingTechnologyCo.,Ltd. 1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad,DalangStreet,LonghuaDistrict, Shenzhen,China Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V05 ReportTemplateRevisionDate:2021-11-03 RFExposureEvaluationReport Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonlyto thesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.:CQASZ20250501168E-02 Applicant: ShenzhenInkbirdTechnologyCo.,Ltd AddressofApplicant: Room1803,GuoweiBuilding,NO.68GuoweiRd,XianhuCommunity, Liantang,LuohuDistrict,Shenzhen,China EquipmentUnderTest(EUT): EUTName: WIRELESSPOOLMONITORWITHAMBIENTLIGHT TestModelNo.: IBS-P05R-I ModelNo.: IBS-P05R-I BrandName: N/A FCCID: 2AYZD-IBSP05I Standards: 47CFRPart1.1307 47CFRPart2.1093 447498D04InterimGeneralRFExposureGuidancev01 DateofReceipt:2025-05-26 DateofTest: 2025-05-26to2025-06-05 DateofIssue:2025-06-16 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20250501168E-02 Page:2of7 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20250501168E-02Rev.01 Initialreport 2025-06-16 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20250501168E-02 Page:3of7 2Contents Page 1VERSION............................................................................................................................................................................2 2CONTENTS........................................................................................................................................................................3 ..................................................................................................................................................................................................3 3GENERALINFORMATION..............................................................................................................................................4 3.1CLIENTINFORMATION...................................................................................................................................................4 3.2GENERALDESCRIPTIONOFEUT...................................................................................................................................4 3.3GENERALDESCRIPTIONOF433.92MHZ........................................................................................................................4 4SAREVALUATION...........................................................................................................................................................5 4.1RFEXPOSURECOMPLIANCEREQUIREMENT.................................................................................................................5 4.1.1StandardRequirement......................................................................................................................................5 4.1.2Limits....................................................................................................................................................................5 4.1.3EUTRFExposure..............................................................................................................................................7 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20250501168E-02 Page:4of7 3GeneralInformation 3.1ClientInformation Applicant:ShenzhenInkbirdTechnologyCo.,Ltd AddressofApplicant: Room1803,GuoweiBuilding,NO.68GuoweiRd,XianhuCommunity, Liantang,LuohuDistrict,Shenzhen,China Manufacturer:ShenzhenInkbirdTechnologyCo.,Ltd AddressofManufacturer: Room1803,GuoweiBuilding,NO.68GuoweiRd,XianhuCommunity, Liantang,LuohuDistrict,Shenzhen,China Factory:ShenzhenInkbirdTechnologyCo.,Ltd AddressofFactory: 5thand6thFloor,Building138,No.71,YiqingRoad,XianhuCommunity, LiantangStreet,LuohuDistrict,Shenzhen,Guangdong,China 3.2GeneralDescriptionofEUT ProductName: WIRELESSPOOLMONITORWITHAMBIENTLIGHT ModelNo.:IBS-P05R-I TestModelNo IBS-P05R-I TradeMark: N/A EUTSupportsRadiosapplication:433.92MHz SoftwareVersion: REV2.3 HardwareVersion: REV2.0 SampleType: MobilePortable EUTPowerSupply: 2*AAA1.5VPoweredbydrybatteries 3.3GeneralDescriptionof433.92MHz OperationFrequency: 433.92MHz ModulationType: FSK NumberofChannel: 1 TestSoftwareofEUT: FSK AntennaType:Springantenna AntennaGain:2.7dBi ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20250501168E-02 Page:5of7 4SAREvaluation 4.1RFExposureComplianceRequirement 4.1.1StandardRequirement 447498D04InterimGeneralRFExposureGuidancev01 3.2.SARTestReductionGuidance SARtestreductionprocedures[Glossary]allowusingaparticularsetoftestdataas representativeofother,similar,testconditions.Thismaybeappliedfordatawithindifferenttest positions(e.g.body,head,extremity),wirelessmodes(e.g.Wi-Fi,cellular),andfrequencybands.This testreductionprocessprovidesfortheuseoftestdataforonespecificchannel,whilereferencingto thosedatafordemonstratingcomplianceinotherrequiredchannelsforeachtestpositionofan exposurecondition,withintheoperatingmodeofafrequencyband.Thisislimitedspecificallytowhen thereported1-gor10-gSARforthemid-bandorhighestoutputpowerchannelmeetsanyofthe followingconditions. 4.1.2Limits SAR-basedthresholdsarederivedbasedonfrequency,power,andseparationdistanceoftheRF source.Theformuladefinesthethresholdsingeneralforeitheravailablemaximumtime averaged powerormaximumtime-averagedERP,whicheverisgreater. IftheERPofadeviceisnoteasilydetermined,suchasforaportabledevicewithasmallform factor,theapplicantmayusetheavailablemaximumtime-averagedpowerexclusivelyifthe deviceantennaorradiatingstructuredoesnotexceedanelectricallengthofλ/4. Asfordeviceswithantennasoflengthgreaterthanλ/4wherethegainisnotwelldefined,but alwayslessthanthatofahalf-wavedipole(lengthλ/2),theavailablemaxi…

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ShenzhenHuaxiaTestingTechnologyCo.,Ltd 1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad,DalangStreet,LonghuaDistrict, Shenzhen,China Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V04 ReportTemplateRevisionDate:2018-07-06 TestReport Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonlyto thesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.: CQASZ20250501168E-01 Applicant: ShenzhenInkbirdTechnologyCo.,Ltd AddressofApplicant: Room1803,GuoweiBuilding,NO.68GuoweiRd,XianhuCommunity, Liantang,LuohuDistrict,Shenzhen,China EquipmentUnderTest(EUT): EUTName: WIRELESSPOOLMONITORWITHAMBIENTLIGHT ModelNo.: IBS-P05R-I TestModelNo.: IBS-P05R-I BrandName: N/A FCCID: 2AYZD-IBSP05I Standards: 47CFRPart15,SubpartC DateofReceipt:2025-05-26 DateofTest: 2025-05-26to2025-06-05 DateofIssue: 2025-06-16 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20250501168E-01 Page: 2 of 32 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20250501168E-01Rev.01 Initialreport 2025-06-16 ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20250501168E-01 Page: 3 of 32 2TestSummary TestItemTestRequirementTestmethodResult AntennaRequirement 47CFRPart15,SubpartCSection 15.203 ANSIC63.10(2013)PASS ConductedEmission (150KHzto30MHz) 47CFRPart15,SubpartC Section15.207 ANSIC63.102013N/A FieldStrengthofthe FundamentalSignal 47CFRPart15,SubpartCSection 15.231(b) ANSIC63.10(2013)PASS SpuriousEmissions 47CFRPart15,SubpartCSection 15.231(b)/15.209 ANSIC63.10(2013)PASS 20dBBandwidth 47CFRPart15,SubpartCSection 15.231(c) ANSIC63.10(2013)PASS DwellTime 47CFRPart15,SubpartCSection 15.231(a) ANSIC63.10(2013)PASS N/A:NotApplicable,theEUTwasworkingbyDC. ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20250501168E-01 Page: 4 of 32 3Contents Page 1VERSION..........................................................................................................................................................................2 2TESTSUMMARY............................................................................................................................................................3 3CONTENTS......................................................................................................................................................................4 4GENERALINFORMATION...........................................................................................................................................5 4.1CLIENTINFORMATION................................................................................................................................................5 4.2GENERALDESCRIPTIONOFEUT..............................................................................................................................5 4.3TESTENVIRONMENTANDMODE...............................................................................................................................6 4.4DESCRIPTIONOFSUPPORTUNITS...........................................................................................................................6 4.5TESTLOCATION.........................................................................................................................................................6 4.6TESTFACILITY...........................................................................................................................................................7 4.7STATEMENTOFTHEMEASUREMENTUNCERTAINTY.................................................................................................7 4.8DEVIATIONFROMSTANDARDS..................................................................................................................................7 4.9ABNORMALITIESFROMSTANDARDCONDITIONS......................................................................................................7 4.10OTHERINFORMATIONREQUESTEDBYTHECUSTOMER.......................................................................................7 4.11EQUIPMENTLIST......................................................................................................................................................8 5TESTRESULTSANDMEASUREMENTDATA.......................................................................................................9 5.1ANTENNAREQUIREMENT...........................................................................................................................................9 5.2SPURIOUSEMISSIONS.............................................................................................................................................10 5.2.1DutyCycle......................................................................................................................................................10 5.2.2SpuriousEmissions......................................................................................................................................12 5.320DBBANDWIDTH...................................................................................................................................................19 5.4DWELLTIME.............................................................................................................................................................21 6PHOTOGRAPHS-EUTTESTSETUP.....................................................................................................................24 6.1RADIATEDEMISSION................................................................................................................................................24 7PHOTOGRAPHS-EUTCONSTRUCTIONALDETAILS...............................................................................…

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Setupphotos 1Photographs-EUTTestSetup 1.1RadiatedEmission 9kHz~30MHz: 30MHz~1GHz: Above1GHz: