2AYIQ-TX100Wireless Thermometer

Transmitter Manual Model: TX100 Before you start using it,Please make sure to read the instruction manual carefully.Following and respecting the instructions in your manual will prevent damage to your instrument and loss of your statutory rights arising from defects due to incorrect use. Please take particular note of the safety advice! Please keep this instruction manual for future reference. 1. Temperature range:+70°C to -40°C 2. Humidity range: 1%-99% 3. Lowe battery indicator 4. 1 Channels 5. Functions: 6. When put the battery into it, it will test the temperature and humidity and sent the data one time. Transmission intervals about 31 seconds Keep this instrument and the batteries out of reach of children. Batteries contain harmful acids and may be hazardous if swallowed. If a battery is swallowed, this can lead to serious internal burns and death within two hours. If you suspect a battery could have been swallowed or otherwise caught in the body, seek medical help immediately. FCC Statement 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.

CENTRE WAY COMPANY LIMITED Long Term Confidentiality Request Letter 2020-12-30 Eurofins MET Labs 914 West Patapsco Avenue Baltimore, MD 21230 RE: Confidentiality request for（ Wireless Thermometer / TX100 TX100H CLTX001 DSTX001 /DSTX100H/2AYIQ-TX100）To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the ( Block Diagram, Schematic diagram, Operational Description) required to be submitted with this application be permanently withheld from public review. These documents contain detailed system and equipment description and related information about the product which CENTRE WAY COMPANY LIMITED considers to be proprietary, confidential and a custom design and otherwise would not release to the general public. Since the design is a basis from which future technological products will evolve, CENTRE WAY COMPANY LIMITED considers that this information would be of benefit to its competitors and that the disclosure of the information in these documents would give competitors an unfair advantage in the market. Please contact me if there is any information you may need. Sincerely, Signature: Name: Connie Chu Job Title: Manager Address: Unit 607,6/F., Shing Chuen Industrial Centre,25-27 Shing Wan Road,Tai Wai, NT., Hong Kong

CENTRE WAY COMPANY LIMITED Agent Authorization Letter 2020-12-30 Eurofins MET Labs 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize（ Shenzhen United Testing Technology Co., Ltd） to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Signature: Name: Connie Chu Job Title: General Manager Address: Unit 607,6/F., Shing Chuen Industrial Centre,25-27 Shing Wan Road,Tai Wai, NT., Hong Kong

APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Model:TX100 Photo 1 Photo 2 Photo 3 Photo 4 Photo 5 Photo 6

Model:TX100 FCC ID:2AYIQ‐TX100 Rated:DC 3V 2XAA Battery MADE IN CHINA

APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Model:TX100 Photo 1 Photo 2 Photo 3 Photo 4 Photo 5 Photo 6 Photo 7 Photo 8 ANTENNA Photo 9 Photo 10

Page1of25ReportNo.:UNIA20122314ER-01 FCCRADIOTESTREPORT FCCID:2AYIQ-TX100 Product： WirelessThermometer TradeName： N/A ModelName： TX100 SerialModel： TX100H,CLTX001,CLTX100H,DSTX001, DSTX100H ReportNo. ： UNIA20122314ER-01 Preparedfor CENTREWAYCOMPANYLIMITED Unit607,6/F.,ShingChuenIndustrialCentre,25-27ShingWanRoad,TaiWai,NT., HongKong Preparedby ShenzhenUnitedTestingTechnologyCo.,Ltd. 2F,AnnexBldg,JiahuangyuanTechPark,#365Baotian1Rd,Tiegang Community,XixiangStr,Bao'anDistrict,Shenzhen,China Page2of25ReportNo.:UNIA20122314ER-01 TESTRESULTCERTIFICATION Applicant’sname....................: CENTREWAYCOMPANYLIMITED Address ...................................... : Unit607,6/F.,ShingChuenIndustrialCentre,25-27ShingWan Road,TaiWai,NT.,HongKong Manufacture'sName .............. : CENTREWAYCOMPANYLIMITED Address......................................: Unit607,6/F.,ShingChuenIndustrialCentre,25-27ShingWan Road,TaiWai,NT.,HongKong Productdescription Productname...............................: WirelessThermometer TradeMark ................................. : N/A Modeland/ortypereference.: TX100H,CLTX001,CLTX100H,DSTX001,DSTX100H Standards..................................: FCCPart15SubpartC15.231 ANSIC63.10:2013 ThisdevicedescribedabovehasbeentestedbyShenzhenUnitedTestingTechnology Co.,Ltd.,andthetestresultsshowthattheequipmentundertest(EUT)isincompliance withtheFCCrequirements.Anditisapplicableonlytothetestedsampleidentifiedinthe report. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofUNI,this documentmaybealteredorrevisedbyShenzhenUnitedTestingTechnologyCo.,Ltd., personnelonly,andshallbenotedintherevisionofthedocument. DateofTest...............................................: Dec.21,2020 Date(s)ofperformanceoftests...............: Dec.21,2020--Dec.25,2020 DateofIssue..............................................: Dec.25,2020 TestResult..................................................:Pass Preparedby: Bobliao/Editor Reviewer: Kahnyang/Supervisor Approved&AuthorizedSigner: Liuze/Manager Page3of25ReportNo.:UNIA20122314ER-01 TableofContents 1TESTSUMMARY ............................................................................................................................................................... 4 2GENERALINFORMATION ................................................................................................................................................. 5 2.1ENVIRONMENTALCONDITIONS .................................................................................................................................. 5 2.2GENERALDESCRIPTIONOFEUT .................................................................................................................................. 5 2.3CARRIERFREQUENCYOFCHANNELS .......................................................................................................................... 5 2.4OPARATIONOFEUTDURINGTESTING ....................................................................................................................... 6 2.5DESCRIPTIONOFTESTSETUP ...................................................................................................................................... 6 3.1MEASUREMENTINSTRUMENTSLIST .......................................................................................................................... 7 3TESTCONDITIONSANDRESULTS .................................................................................................................................... 8 3.2CONDUCTEDEMISSIONSTEST .................................................................................................................................... 8 3.3RADIATEDEMISSIONTEST .......................................................................................................................................... 9 3.4-20dbOCCUPIEDBANDWIDTH ................................................................................................................................. 17 3.5Releasetimemeasurement ...................................................................................................................................... 18 3.6Averagefactormeasurement ........................................................................................................................................... 20 3.7ANTENNAREQUIREMENT ......................................................................................................................................... 24 4PHOTOGRAPHOFTEST .................................................................................................................................................. 25 Page4of25ReportNo.:UNIA20122314ER-01 1TESTSUMMARY TESTPROCEDURESANDRESULTS FCCandICRequirements FCCPart15.207ConductedEmission N/A FCCPart15.231(b) RadiatedEmission Compliant FCCPart15.231(c) 20dBBandwidth Compliant FCCPart15.231(a)ReleaseTimeMeasurement Compliant FCCPart15.203AntennaRequirement Compliant Theproductisaactivatedautomaticallytransmitter. TESTFACILITY TestFirm:ShenzhenUnitedTestingTechnologyCo.,Ltd. Address:2F,AnnexBldg,JiahuangyuanTechPark,#365Baotian1Rd,Tiegang Community,XixiangStr,Bao'anDistrict,Shenzhen,China Thetestingqualityabilityofourlaboratorymeetwith"QualityLawofPeople'sRepublicofChina" Clause19.ThetestingqualitysystemofourlaboratorymeetswithISO/IEC-17025requirements, whichisapprovedbyCNAS.ThisapprovalresultisacceptedbyMRAofAPLAC. Ourtestfacilityisrecognized,certified,oraccreditedbythefollowingorganizations: CNAS-LABCode:L6494 TheEMCLaboratoryhasbeenassessedandincompliancewithCNAS-CL01accreditationcriteria fortestingLaboratories(identicaltoISO/IEC17025:2017GeneralRequirements)forthe CompetenceoftestingLaboratories. DesignationNumber:CN1227 TestFirmRegistrationNumber:674885 TheEMCLaboratoryhasbeenregisteredandfullydescribedinareportfiledwiththe(FCC) FederalCommunicationscommission.TheacceptanceletterfromtheFCCismaintainedinour files. MEASUREMENTUNCERTAINTY MeasurementUncert…

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Page1of25ReportNo.:UNIA20122314ER-01 FCCRADIOTESTREPORT FCCID:2AYIQ-TX100 Product： WirelessThermometer TradeName： N/A ModelName： TX100 SerialModel： TX100H,CLTX001,CLTX100H,DSTX001, DSTX100H ReportNo.： UNIA20122314ER-01 Preparedfor CENTREWAYCOMPANYLIMITED Unit607,6/F.,ShingChuenIndustrialCentre,25-27ShingWanRoad,TaiWai,NT., HongKong Preparedby ShenzhenUnitedTestingTechnologyCo.,Ltd. 2F,AnnexBldg,JiahuangyuanTechPark,#365Baotian1Rd,Tiegang Community,XixiangStr,Bao'anDistrict,Shenzhen,China Page2of25ReportNo.:UNIA20122314ER-01 TESTRESULTCERTIFICATION Applicant’sname....................: CENTREWAYCOMPANYLIMITED Address ...................................... : Unit607,6/F.,ShingChuenIndustrialCentre,25-27ShingWan Road,TaiWai,NT.,HongKong Manufacture'sName .............. : CENTREWAYCOMPANYLIMITED Address......................................: Unit607,6/F.,ShingChuenIndustrialCentre,25-27ShingWan Road,TaiWai,NT.,HongKong Productdescription Productname...............................: WirelessThermometer TradeMark ................................. : N/A Modeland/ortypereference.: TX100H,CLTX001,CLTX100H,DSTX001,DSTX100H Standards..................................: FCCPart15SubpartC15.231 ANSIC63.10:2013 ThisdevicedescribedabovehasbeentestedbyShenzhenUnitedTestingTechnology Co.,Ltd.,andthetestresultsshowthattheequipmentundertest(EUT)isincompliance withtheFCCrequirements.Anditisapplicableonlytothetestedsampleidentifiedinthe report. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofUNI,this documentmaybealteredorrevisedbyShenzhenUnitedTestingTechnologyCo.,Ltd., personnelonly,andshallbenotedintherevisionofthedocument. DateofTest...............................................: December.21,2020 Date(s)ofperformanceoftests...............: December.21,2020--December.25,2020 DateofIssue..............................................: December.25,2020 TestResult..................................................:Pass Preparedby: Bobliao/Editor Reviewer: Kahnyang/Supervisor Approved&AuthorizedSigner: Liuze/Manager Page3of25ReportNo.:UNIA20122314ER-01 TableofContents 1TESTSUMMARY ............................................................................................................................................................... 4 2GENERALINFORMATION ................................................................................................................................................. 5 2.1ENVIRONMENTALCONDITIONS .................................................................................................................................. 5 2.2GENERALDESCRIPTIONOFEUT .................................................................................................................................. 5 2.3CARRIERFREQUENCYOFCHANNELS .......................................................................................................................... 5 2.4OPARATIONOFEUTDURINGTESTING ....................................................................................................................... 6 2.5DESCRIPTIONOFTESTSETUP ...................................................................................................................................... 6 3.1MEASUREMENTINSTRUMENTSLIST .......................................................................................................................... 7 3TESTCONDITIONSANDRESULTS .................................................................................................................................... 8 3.2CONDUCTEDEMISSIONSTEST .................................................................................................................................... 8 3.3RADIATEDEMISSIONTEST .......................................................................................................................................... 9 3.4-20dbOCCUPIEDBANDWIDTH ................................................................................................................................. 17 3.5Releasetimemeasurement ...................................................................................................................................... 18 3.6Averagefactormeasurement .................................................................................................................................. 20 3.7ANTENNAREQUIREMENT ......................................................................................................................................... 24 4PHOTOGRAPHOFTEST .................................................................................................................................................. 25 Page4of25ReportNo.:UNIA20122314ER-01 1TESTSUMMARY TESTPROCEDURESANDRESULTS FCCandICRequirements FCCPart15.207ConductedEmission N/A FCCPart15.231(e) RadiatedEmission Compliant FCCPart15.231(c) 20dBBandwidth Compliant FCCPart15.231(e)ReleaseTimeMeasurement Compliant FCCPart15.203AntennaRequirement Compliant Theproductisaactivatedautomaticallytransmitter. TESTFACILITY TestFirm:ShenzhenUnitedTestingTechnologyCo.,Ltd. Address:2F,AnnexBldg,JiahuangyuanTechPark,#365Baotian1Rd,Tiegang Community,XixiangStr,Bao'anDistrict,Shenzhen,China Thetestingqualityabilityofourlaboratorymeetwith"QualityLawofPeople'sRepublicofChina" Clause19.ThetestingqualitysystemofourlaboratorymeetswithISO/IEC-17025requirements, whichisapprovedbyCNAS.ThisapprovalresultisacceptedbyMRAofAPLAC. Ourtestfacilityisrecognized,certified,oraccreditedbythefollowingorganizations: CNAS-LABCode:L6494 TheEMCLaboratoryhasbeenassessedandincompliancewithCNAS-CL01accreditationcriteria fortestingLaboratories(identicaltoISO/IEC17025:2017GeneralRequirements)forthe CompetenceoftestingLaboratories. DesignationNumber:CN1227 TestFirmRegistrationNumber:674885 TheEMCLaboratoryhasbeenregisteredandfullydescribedinareportfiledwiththe(FCC) FederalCommunicationscommission.TheacceptanceletterfromtheFCCismaintainedinour files. MEASUREMENTUNCERTAINTY Measure…

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Setup photo Model: Radiation L Radiation H Conducted Measurement