1. FCC ID
  2. 2AZI3
  3. 2AZI3-WD77

FCC ID 2AZI3-WD77

Water Leak Detector

by SHENZHEN KERUI SMART TECHNOLOGY CO., LTD

Grantee Code: 2AZI3   Product Code: WD77
Latest application date: 2026-06-05

FCC ID Device Details

FCC ID2AZI3-WD77
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2AZI3
Product CodeWD77
Applicant BusinessSHENZHEN KERUI SMART TECHNOLOGY CO., LTD 🇨🇳
Related Domains secrui.com act-lab.com
Equipment ClassWater Leak Detector
Test FirmShenzhen Toby Technology Co., Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
433.92 MHzOriginal Equipment2026-06-05

Exhibits

DocumentTypeAvailableFile
User ManualUsers Manual2026-06-05PDF 1.5 MB
Internal PhotosInternal Photos2026-06-05PDF 1.2 MB
External PhotosExternal Photos2026-06-05PDF 1.2 MB
Label&LocationID Label/Location Info2026-06-05PDF 705.1 KB
Test setup photosTest Setup Photos2026-06-05PDF 1,019.7 KB
Antenna SpecificationTest Report2026-06-05PDF 2 MB
TBR-C-202604-0113-3 RF Test Report (FCC 15.231a)Test Report2026-06-05PDF 1.7 MB
USA-CoveredEquipmentLetter-Combined_V1.1Attestation Statements2026-06-05PDF 126.3 KB
USA-LocalRepLetter_V1.1Attestation Statements2026-06-05PDF 44.3 KB
USA-ConfidentialityRequestLetter_V0.1Cover Letter(s)2026-06-05PDF 108.8 KB
TBR-C-202604-0113-2 FCC RF Exposure(Portable)RF Exposure Info2026-06-05PDF 1 MB
Block diagram Metadata onlyBlock DiagramPDF 40.6 KB
Schematic Metadata onlySchematicsPDF 23.4 KB
Operation Description Metadata onlyOperational DescriptionPDF 416.7 KB
USA-DueDigilenceLetter_V0.1 Metadata onlyOperational DescriptionPDF 139.4 KB

Application Information

Application IDboPlaoEFEX1EFZ0oFf91GA==
Final Action Date2026-06-05
Application PurposeOriginal Equipment
Applicant FRN0030777775
ModelWD77
Frequency Range433.92 MHz
Equipment ClassDSC - Part 15 Security/Remote Control Transmitter
Device DescriptionWater Leak Detector
Responsible PartyLi Gui, support@secrui.com , 18688736545
Non-Technical ContactScott Huber, ACT Lab LLC, shuber@act-lab.com , (562) 470-7215
Test FirmRay Lai, Shenzhen Toby Technology Co., Ltd., Ray.LAI@cotecna.com.cn , 086-075526509301
TCB Emailo.kneip@kl-certification.de
TCB ScopeA1: Low Power Transmitters below 1 GHz (except Spread Spectrum), Unintentional Radiators, EAS (Part 11) & Consumer ISM devices
Short-Term ConfidentialityNo
Long-Term ConfidentialityYes
Modular EquipmentDoes not apply
Composite DeviceNo
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo

Applications

Application IDDatePurpose
boPlaoEFEX1EFZ0oFf91GA==2026-06-05Original Equipment

Equipment Authorization

FrequencyRules
433.92 MHz15.231

Grants

TCB Grant - Application boPlaoEFEX1EFZ0oFf91GA==

TCB GRANT OF EQUIPMENT
AUTHORIZATION		 TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

  KL-Certification GmbH
Heinrich-Hertz-Allee 7
St. Ingbert, 66386
Germany 		Date of Grant: 06/05/2026

Application Dated: 06/05/2026
SHENZHEN KERUI SMART TECHNOLOGY CO., LTD
Room 1501, T2, Jinlitong Building, No. 1100,
Xingye Road, Xin'an Street, Bao'an District,
Shenzhen, Guangdong, China,
China
 
Attention: Li Gui , Marketing Manager

NOT TRANSFERABLE
EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.
 
FCC IDENTIFIER:  2AZI3-WD77
Name of Grantee:  SHENZHEN KERUI SMART TECHNOLOGY CO., LTD
Equipment Class: Part 15 Security/Remote Control Transmitter
Notes: Water Leak Detector
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15.231 433.92  -  433.92