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4 Groups Linkage Output 2 Relay Output No Nc Versatile Pipeline Spark Alarm System with 100W and IP65 Protection

4 Groups Linkage Output 2 Relay Output No Nc Versatile Pipeline Spark Alarm System with 100W and IP65 Protection

US $ 1,699-1,799 / Set FOB
1 Set (MOQ)
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Main Products: Combustibl/Toxic Gas Leak Alarm Control System, Zirconia Oxygen Analyzer, Cems Flue Gas Online Monitoring System, Temperature Transmitter, Pressure Transmitter, Fixed Combustible/Toxic Gas Detector, Pipeline Spark Alarm and Control System, Flow Meter, Dust Detector, Temperature and Humidity Transmitter
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Audited Supplier
Wuxi Yongan Electronic Technology Co., Ltd.

Jiangsu, China Since 2026
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4 Groups Linkage Output 2 Relay Output No Nc Advanced Pipeline Spark Alarm System with ±0 1% to ±0 5% Accuracy

4 Groups Linkage Output 2 Relay Output No Nc Advanced Pipeline Spark Alarm System with ±0 1% to ±0 5% Accuracy

US $ 1,699-1,799 / Set FOB
1 Set (MOQ)
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Operation Type : Automatic
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Audited Supplier
Wuxi Yongan Electronic Technology Co., Ltd.

Jiangsu, China Since 2026
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CT11 Wireless Cloud AI-Based Smart Biometric Face Access Control System with Twin Relay IP65 Waterproof SDK

CT11 Wireless Cloud AI-Based Smart Biometric Face Access Control System with Twin Relay IP65 Waterproof SDK

US $ 299 / Piece FOB
1 Piece (MOQ)
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Main Products: RFID & Mobile Credential & Osdp Wiegand & QR Code Access Control Reader, HTTP Web Access Control Terminal, Biometric Access Control System, Time Attendance Terminal, Customized IoT Device
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Audited Supplier
CiVinTec Global Co., Limited

Manufacturer/Factory & Trading Company

Guangdong, China Since 2005
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Relay Protection Calibrator Secondary Injection Relay Test System

Relay Protection Calibrator Secondary Injection Relay Test System

US $ 2,000-6,000 / Piece FOB
1 Piece (MOQ)
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Accuracy Grade : 0.5
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Audited Supplier
Wuhan Goldhome Hipot Electrical Co., Ltd.

Hubei, China Since 2018
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Easco Relay Switch Supported Face Recognition Attendance System for Office Building Turnstile Gate

Easco Relay Switch Supported Face Recognition Attendance System for Office Building Turnstile Gate

US $ 384-414 / Piece FOB
2 Pieces (MOQ)
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Main Products: Turnstile Gate, Biometric Device, Car Barrier Gate, Automatic Door Opener, License Plate Recognition Device, Face Recognition Attendance, Speed Gate, Facial Recognition Turnstile, Tripod Turnstile, Full Height Turnstile
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Shenzhen Easco Smart Equipment Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2025
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TPS110m-M400 D Ji Matrice 400 Tethered Power System for Drone Emergency Response Communications Relay Tethered Drone Station

TPS110m-M400 D Ji Matrice 400 Tethered Power System for Drone Emergency Response Communications Relay Tethered Drone Station

US $ 6,499-6,999 / Piece FOB
10 Pieces (MOQ)
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Audited Supplier
Nanjing Rosefinch Technology Co., Ltd

Jiangsu, China Since 2023
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Conventional Fire Alarm Control System with Fire,Fault,Supervisory Relays

Conventional Fire Alarm Control System with Fire,Fault,Supervisory Relays

US $ 100-300 / Piece FOB
1 Piece (MOQ)
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Main Products: Conventional Fire Alarm System, Addressable Fire Alarm System, Wireless Fire Alarm System, Gas Extinguishing Release Control System, Residential Standalone Fire Alarm Devices, Explosion Proof Fire Alarm Devices
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Audited Supplier
Shenzhen Ansorl Technology Co., Ltd.

Guangdong, China Since 2019
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Advanced GPS Relay System for Smart Vehicle Security and Tracking

Advanced GPS Relay System for Smart Vehicle Security and Tracking

US $ 9-9.5 / Piece FOB
1 Piece (MOQ)
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Type : Anti-Theft Alarm
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Audited Supplier
Xuzhou Dragon Guard Industrial Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2023
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Smart pH Control System for Wastewater Treatment Water Quality Testing with Fully Automatically Dosing Pump and Dual Relay Outputs

Smart pH Control System for Wastewater Treatment Water Quality Testing with Fully Automatically Dosing Pump and Dual Relay Outputs

US $ 100.8-125.4 / Piece FOB
50 Pieces (MOQ)
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Main Products: CO2 Controller, Par Meter
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Audited Supplier
Kunshan Ast Optoelectronics Co., Ltd

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2022
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High-Precision Relay Protection Fault Simulation System for Testing

High-Precision Relay Protection Fault Simulation System for Testing

1 Piece (MOQ)
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Audited Supplier
Haomai Electric Power Automation Co., Ltd.

Manufacturer/Factory & Trading Company

Hubei, China Since 2017
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Research-Grade 532nmcollimation-Preserving4f Beam Relay Optical System

Research-Grade 532nmcollimation-Preserving4f Beam Relay Optical System

US $ 29-128 / piece/pieces FOB
1 piece/pieces (MOQ)
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Main Products: Optical Lens, Optical Spherical Lens, Optical Prism, Optical Windows, Optical Ball Lens, Rod Lens, Half Ball Lens, Linbo3 Wafer and Powder, Aspheric Lens, Projector Fisheye Lens
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Audited Supplier
VY Optoelectronics Co., Ltd.

Jilin, China Since 2014
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Surveillance Quadcopter Wireless Relay Wave Mobile Technology Heavy Lift Drone Portable RC Video Uav Control System

Surveillance Quadcopter Wireless Relay Wave Mobile Technology Heavy Lift Drone Portable RC Video Uav Control System

US $ 11,150-12,580 / Piece FOB
2 Pieces (MOQ)
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Audited Supplier
Shenzhen Xingkai Technology Co., Ltd

Guangdong, China Since 2023
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Multi-Functional Relay Protection Test System with High Current Output

Multi-Functional Relay Protection Test System with High Current Output

US $ 2,000-4,200 / Piece FOB
1 Piece (MOQ)
More
Main Products: AC DC Hipot Tester, Transformer Tester, Relay Protection Tester, Tan Delta Tester, Turn Ratio Tester, Pd Detector, Contact Resistance Tester, CT PT Analyzer, Oil Bdv Tester, Insulation Resistance Tester
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Audited Supplier
Wuhan Huayi Electric Power Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Hubei, China Since 2024
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Dustiq Soiling Monitoring System with RS485/Relay Output and Modbus-RTU

Dustiq Soiling Monitoring System with RS485/Relay Output and Modbus-RTU

US $ 1,725-1,909 / Piece FOB
1 Piece (MOQ)
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Condition : New
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Audited Supplier
Hunan Rika Electronic Tech Co., Ltd.

Manufacturer/Factory & Trading Company

Hunan, China Since 2020
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Stainless Steel Panel Single Relay Output Digital DC12V Door Lock Access Control System with Keypad

Stainless Steel Panel Single Relay Output Digital DC12V Door Lock Access Control System with Keypad

US $ 22-29.5 / Piece FOB
1 Piece (MOQ)
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Main Products: Magnetic Lock, Access Control, Fingerprint Access Control, Electromagnetic Lock, Electric Bolt, Electric Strike, Fingerprint Time Attendance, Guard Tour System, Time Attendance, Automatic Swing Door Opener
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Audited Supplier
Shenzhen Nordson Electronic Co., Ltd.

Guangdong, China Since 2015
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Advanced Gk-100-8dor IoT Relay System for Smart Homes

Advanced Gk-100-8dor IoT Relay System for Smart Homes

US $ 40-50 / Piece FOB
1 Piece (MOQ)
More
Signal : Continuous
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Audited Supplier
Henan 4.0 Automation Equipment Co., Ltd.

Henan, China Since 2023
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Digital Microcomputer Three Phase Secondary Injection Relay Protection Test System

Digital Microcomputer Three Phase Secondary Injection Relay Protection Test System

US $ 2,000-6,000 / Piece FOB
1 Piece (MOQ)
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Main Products: AC Resonant Test System, AC/DC Hipot Tester, Circuit Breaker Analyzer, Hv Test Set, Power Frequency Hipot Tester, Transformer Tester, AC Dielectric Test Set, Partial Discharge Test Set, High Voltage Test Set, Primary Current Injection Test Set
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Audited Supplier
Wuhan Goldhome Hipot Electrical Co., Ltd.

Hubei, China Since 2018
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Advanced Relay Testing System for Generator Safety Solutions

Advanced Relay Testing System for Generator Safety Solutions

US $ 8,500-9,500 / Set FOB
1 Set (MOQ)
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Audited Supplier
Haomai Electric Power Automation Co., Ltd.

Manufacturer/Factory & Trading Company

Hubei, China Since 2017
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Universal Relay Protection Testing System

Universal Relay Protection Testing System

US $ 2,000-4,000 / Piece FOB
1 Piece (MOQ)
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Main Products: Vlf Hipot Testers, AC Hipot Tester, DC Hipot Tester, Resonant Test Set, Micro Ohmmeter, Tan Delta Tester, Primary Current Injection, Secondary Current Injection, CT PT Analyzer, Circuit Breaker Analyzer
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Audited Supplier
GOLDSOL(WUHAN)HIPOT TEST EQUIPMENT FACTORY

Hubei, China Since 2012
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Research-Grade 532 Nm Laser Beam Relay & Collimation Stabilization Optical System

Research-Grade 532 Nm Laser Beam Relay & Collimation Stabilization Optical System

US $ 689-998 / Piece FOB
10 Pieces (MOQ)
More
Usage : Optical
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Audited Supplier
VY Optoelectronics Co., Ltd.

Jilin, China Since 2014
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Related Videos
  • What is 4 Groups Linkage Output 2 Relay Output No Nc Advanced Pipeline Spark Alarm System with ±0 1% to ±0 5% Accuracy
    What is 4 Groups Linkage Output 2 Relay Output No Nc Advanced Pipeline Spark Alarm System with ±0 1% to ±0 5% Accuracy
    US $ 1,699-1,799 /Set
    1 Set (MOQ)
    Send Inquiry
  • What is CT11 Wireless Cloud AI-Based Smart Biometric Face Access Control System with Twin Relay IP65 Waterproof SDK
    What is CT11 Wireless Cloud AI-Based Smart Biometric Face Access Control System with Twin Relay IP65 Waterproof SDK
    US $ 299 /Piece
    1 Piece (MOQ)
    Send Inquiry
  • What is Relay Protection Calibrator Secondary Injection Relay Test System
    What is Relay Protection Calibrator Secondary Injection Relay Test System
    US $ 2,000-6,000 /Piece
    1 Piece (MOQ)
    Send Inquiry
  • What is Easco Relay Switch Supported Face Recognition Attendance System for Office Building Turnstile Gate
    What is Easco Relay Switch Supported Face Recognition Attendance System for Office Building Turnstile Gate
    US $ 384-414 /Piece
    2 Pieces (MOQ)
    Send Inquiry
4-Binary-Output Portable 6-Phase Relay Protection Test System

4-Binary-Output Portable 6-Phase Relay Protection Test System

US $ 14,000 / Set FOB
1 Set (MOQ)
More
Main Products: CT PT Analyzer, Relay Protection Test System, Substation DC System Tester, Battery Test System
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Audited Supplier
Haomai Electric Power Automation Co., Ltd.

Manufacturer/Factory & Trading Company

Hubei, China Since 2017
Chat Now Send Inquiry
Vy Optics Research-Grade 532nm 4f Beam Relay Collimation System

Vy Optics Research-Grade 532nm 4f Beam Relay Collimation System

US $ 4,999-5,999 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
VY Optoelectronics Co., Ltd.

Jilin, China Since 2014
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Modern Multi-Function Relay Field Calibration System

Modern Multi-Function Relay Field Calibration System

US $ 14,000 / Set FOB
1 Set (MOQ)
More
Main Products: CT PT Analyzer, Relay Protection Test System, Substation DC System Tester, Battery Test System
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Audited Supplier
Haomai Electric Power Automation Co., Ltd.

Manufacturer/Factory & Trading Company

Hubei, China Since 2017
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About Relay System FAQ

  • QWhat are current trends in test machine technology for instrument & meter applications?

    Upgrade your Test Machine with the elegant and durable Relay System.Recent trends for test machine instruments include digital interfacing, integrated data logging, and custom test machine automation. Stay ahead by sourcing from top distributor networks and wholesale suppliers offering guide documentation and factory price transparency. Request a demo to see where you can save or customize.

  • QHow do I get the best price for test machines from factories or OEM suppliers?

    The Relay System is a premium choice in the Test Machine category.If you’re sourcing test machines, ask for wholesale price lists directly from test machine factory or OEM test machine distributor. Many offer custom features for bulk inquiries. Review their market trends and compare discounts before you buy. Contact us now to secure the best offer and ensure rapid delivery.

  • QCan I customize test machines to fit unique testing parameters or OEM specs?

    The Relay System is classified under our comprehensive Test Machine range.Absolutely! Many test machine manufacturers offer full OEM custom test machine assembly and specialized instrument integration with factory price savings. The guide to customization is straightforward: specify parameters, request a factory quote, and compare distributor timelines. Get started today—submit your specs for a tailored solution.

532 Nm High-Power Nanosecond Laser 4f Beam Expansion and Relay Optical System

532 Nm High-Power Nanosecond Laser 4f Beam Expansion and Relay Optical System

US $ 950-1,200 / Piece FOB
1 Piece (MOQ)
More
Transmittance : >95%
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Audited Supplier
VY Optoelectronics Co., Ltd.

Jilin, China Since 2014
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Ultimate GPS-Synchronized Relay Test System for Accurate Results

Ultimate GPS-Synchronized Relay Test System for Accurate Results

US $ 12,000-15,000 / Piece FOB
1 Piece (MOQ)
More
Main Products: CT PT Analyzer, Relay Protection Test System, Substation DC System Tester, Battery Test System
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Audited Supplier
Haomai Electric Power Automation Co., Ltd.

Manufacturer/Factory & Trading Company

Hubei, China Since 2017
Chat Now Send Inquiry
Vy Optics Research-Grade 532nmcollimation-Preserving4f Beam Relay Optical System

Vy Optics Research-Grade 532nmcollimation-Preserving4f Beam Relay Optical System

US $ 4,999-5,999 / Piece FOB
1 Piece (MOQ)
Send Inquiry
Audited Supplier
VY Optoelectronics Co., Ltd.

Jilin, China Since 2014
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Advanced Differential Distance Relay Testing System for Substations

Advanced Differential Distance Relay Testing System for Substations

1 Piece (MOQ)
More
Main Products: CT PT Analyzer, Relay Protection Test System, Substation DC System Tester, Battery Test System
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Audited Supplier
Haomai Electric Power Automation Co., Ltd.

Manufacturer/Factory & Trading Company

Hubei, China Since 2017
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Factory Manufacturer Universal Current And Voltage Relay Test System With Calibration

Factory Manufacturer Universal Current And Voltage Relay Test System With Calibration

US $ 3,800-6,500 / Piece FOB
1 Piece (MOQ)
More
Certification : CE
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Audited Supplier
Weshine Electric Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2022
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Collimation Preserving Optical Design for Laser Beam Transport Precision Imaging and Photonic Application 532nm 4f Beam Relay System

Collimation Preserving Optical Design for Laser Beam Transport Precision Imaging and Photonic Application 532nm 4f Beam Relay System

US $ 950-1,200 / Piece FOB
1 Piece (MOQ)
More
Main Products: Optical Lens, Optical Spherical Lens, Optical Prism, Optical Windows, Optical Ball Lens, Rod Lens, Half Ball Lens, Linbo3 Wafer and Powder, Aspheric Lens, Projector Fisheye Lens
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Audited Supplier
VY Optoelectronics Co., Ltd.

Jilin, China Since 2014
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12 Wireless 2 Wired Zones GSM Alarm System with 3 Relay Outputs (Es-2011GSM)

12 Wireless 2 Wired Zones GSM Alarm System with 3 Relay Outputs (Es-2011GSM)

US $ 75 / Set FOB
1 Set (MOQ)
More
Signal Transmission : Wireless Alarm
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Audited Supplier
Ease Security Co., Ltd.

Guangdong, China Since 2014
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Advanced Smart Vehicle Detection System for Enhanced Ground Safety

Advanced Smart Vehicle Detection System for Enhanced Ground Safety

US $ 9-11 / Piece FOB
1 Piece (MOQ)
More
Main Products: High Speed Door, Aluminum Fast Spiral Door, Industrial Sectional Door, Roller Shutter Door, Automatic Sliding Door, Hospital Door And Door Accessories.
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Audited Supplier
Shenzhen Huajie Automatic Door Co., Ltd.

Trading Company

Guangdong, China Since 2025
Chat Now Send Inquiry
Z Wago 2601 1201 Modular I/O System for Flexible and Efficient Industrial Automation Solutions

Z Wago 2601 1201 Modular I/O System for Flexible and Efficient Industrial Automation Solutions

US $ 90-399 / Piece FOB
1 Piece (MOQ)
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Environmental Protection : General
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Audited Supplier
Quanzhou Ausenist Technology Co., Ltd

Jiangsu, China Since 2023
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2 Wire IP Home Security System1080p Camera Doorbell Video Intercom System

2 Wire IP Home Security System1080p Camera Doorbell Video Intercom System

US $ 1-65 / Piece FOB
1 Piece (MOQ)
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Main Products: Video Door Phone, Video Doorphone, Interphone, Security Products, Doorbell, Home Security, Intercom, Video Intercom, Intercom System, Doorphones
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Shenzhen Eeguard Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2017
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Innovative Mmwave Radar Camera Surveillance System with Simultaneous Target Tracking

Innovative Mmwave Radar Camera Surveillance System with Simultaneous Target Tracking

US $ 1 / Piece FOB
1 Piece (MOQ)
More
System : Microwave System
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Audited Supplier
Time Varying Transmission Co., Ltd.

Manufacturer/Factory & Trading Company

Hunan, China Since 2022
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Face Recognition Module Anti Photo Spoofing Relay Output Sliding Door Hardware System

Face Recognition Module Anti Photo Spoofing Relay Output Sliding Door Hardware System

US $ 56-62 / Set FOB
200 Sets (MOQ)
More
Main Products: Magnetic Sliding Door, Magnetic Sliding Door System, Haning Sliding Door Roller System, Interior Door Hinge, Sliding Door Handle, Sliding Door Lock, Haning Sliding Door Roller, Sliding Door Roller, Sliding Door Roller System, Linkage Sliding Door Roller System
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Audited Supplier
ZHONGSHAN CITY GUMEITE HARDWARE PRODUCTS CO., LTD.

Guangdong, China Since 2021
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Smart Power Failure Detection System for Industrial Server Environments

Smart Power Failure Detection System for Industrial Server Environments

US $ 19-25 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Shandong Renke Control Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2025
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