51,061
Door Alarm Sensor Products
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US $ 2.4-2.89 /
Piece FOB
100 Pieces (MOQ)
More
Main Products: Alarm System, Access Control, Smart Home, Electromagnetic Lock, Home Security System, Strobe Alarm Siren, Magnetic Contact, WiFi Home Security Wireless Burglar GSM Alarm, Home Security Wireless Burglar GSM Alarm System, Metal Standalone RFID Door Access Control
Contact Supplier
Audited Supplier
Since 2006
Manufacturer/Factory
Guangdong, China
Since 2006
US $ 8.8-9.5 /
Piece FOB
1 Piece (MOQ)
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Receive Frequency : 433.92MHz
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Audited Supplier
Since 2006
Manufacturer/Factory,Trading Company
Guangdong, China
Since 2006
US $ 12-15 /
Piece FOB
50 Pieces (MOQ)
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Main Products: Proximity Sensor, Photoelectric Sensor, Vehicle Loop Detector, Infrared Light Curtain, Lidar, Laser Sensor
Contact Supplier
Audited Supplier
Since 2021
Manufacturer/Factory
Tianjin, China
Since 2021
US $ 150-200 /
Piece FOB
1 Piece (MOQ)
More
Application : Video Store and Bookstore, Warehouse, Shopping Arcade, Supermarket, Garment Store, Jewelry Store
Contact Supplier
Since 2022
Trading Company
Shandong, China
Since 2022
US $ 0.68 /
Piece FOB
100 Pieces (MOQ)
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Main Products: Smoke Detector, Gas Detector, Bluetooth Module, PIR Motion Detector, Heat Detector, Strobe Siren, Magnetic Switch, Panic Button, Fire Alarm, Manual Call Point
Contact Supplier
Audited Supplier
Since 2017
Manufacturer/Factory,Trading Company
Guangdong, China
Since 2017
US $ 3.29-4.29 /
Piece FOB
1 Piece (MOQ)
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Working Principle : Electromagnetic
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Audited Supplier
Since 2023
Manufacturer/Factory
Anhui, China
Since 2023
US $ 7.6-8.6 /
Piece FOB
1 Piece (MOQ)
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Main Products: Fire Alarm Control System, Relay Output Smoke Detector, Gas Detector, Stand Alone Smoke Detector, Electrical Fire Alarm System, Fire Door Control System, Gas Fire Extinguishing Control System, Wireless Fire Alarm System, Household Security System, Fire Alarm Control Panel
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Audited Supplier
Since 2019
Guangdong, China
Since 2019
US $ 2.77-3.17 /
pieces FOB
1 pieces (MOQ)
Contact Supplier
Audited Supplier
Since 2024
Manufacturer/Factory
Guangdong, China
Since 2024
US $ 2.6 /
Piece FOB
10,000 Pieces (MOQ)
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Main Products: Smoke Alarm, Smoke Detector, Fire Detector, Magnetic Contact, Co Alarm, Co Detector, Gas Detector, Carbon Monoxide Detector, Heat Detector, Smoke Sensor
Contact Supplier
Audited Supplier
Since 2010
Manufacturer/Factory
Zhejiang, China
Since 2010
US $ 4.07-4.68 /
Piece FOB
2 Pieces (MOQ)
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Signal Transmission : Wireless Alarm
Contact Supplier
Audited Supplier
Since 2024
Manufacturer/Factory,Trading Company
Guangdong, China
Since 2024
US $ 55-70 /
Piece FOB
1 Piece (MOQ)
More
Main Products: Automatic Door Sensor, Gate Automation Security Solution, RFID Reader, Barrier Gate, Gate Motor, Remote Transimitter and Receiver, Access Control System, 4G Clouds Security Solution, Parking Management System, Parking Guidance System
Contact Supplier
Audited Supplier
Since 2021
Manufacturer/Factory,Trading Company
Guangdong, China
Since 2021
US $ 2.8-3.2 /
Pair FOB
500 Pairs (MOQ)
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System : Intelligent System
Contact Supplier
Audited Supplier
Since 2010
Manufacturer/Factory,Trading Company,Other
Guangdong, China
Since 2010
US $ 2.57-3 /
Piece FOB
5 Pieces (MOQ)
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Main Products: Switching Power Supply, Switch Power Supply, Power Supply, Switch Mode Power Supply, SMPS, LED Power Supply, Waterproof Power Supply, Dinrail Power Supply, Switching Mode Power Supply, Power Inverter
Contact Supplier
Audited Supplier
Since 2010
Manufacturer/Factory,Trading Company
Zhejiang, China
Since 2010
US $ 0.8-1 /
Piece FOB
10 Pieces (MOQ)
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Signal Transmission : Radio Waves
Contact Supplier
Audited Supplier
Since 2014
Manufacturer/Factory
Guangdong, China
Since 2014
US $ 8.77-10.96 /
Piece FOB
50 Pieces (MOQ)
More
Main Products: PCB Assembly, Smart Switch, Ceiling Fan Remote Controller, LED Dimmer Switch, PIR Motion Sensor, Fan Speed Switch, Wi-Fi Switch, Home Appliance Pcbas, Smart Home System, Timer Switch
Contact Supplier
Audited Supplier
Since 2009
Manufacturer/Factory
Guangdong, China
Since 2009
Manufacturer/Factory,Trading Company,Individuals/SOHO
Zhejiang, China
Since 2020
US $ 7.7-8.5 /
Piece FOB
10 Pieces (MOQ)
More
Main Products: Electronic Product, Household Appliances, Hardware Tools, Plastic Products, Auto Parts
Contact Supplier
Since 2024
Manufacturer/Factory,Trading Company
Zhejiang, China
Since 2024
Manufacturer/Factory
Guangdong, China
Since 2023
2 Pieces (MOQ)
More
Main Products: Wireless Remote Control, Door Opener, Door Lock, Transmitter, Receiver, Alarm System, WiFi Camera, Smart Plug, Wireless Controller, Smart Home System
Contact Supplier
Audited Supplier
Since 2017
Trading Company
Guangdong, China
Since 2017
US $ 6.7-7.3 /
Piece FOB
1 Piece (MOQ)
More
Application : Video Store and Bookstore, Warehouse, Shopping Arcade, Supermarket, Garment Store, Jewelry Store
Contact Supplier
Audited Supplier
Since 2018
Manufacturer/Factory,Trading Company
Zhejiang, China
Since 2018
US $ 0.72-1.44 /
Piece FOB
1,000 Pieces (MOQ)
More
Main Products: Smoke Alarm, Smoke Detector, Fire Detector, Magnetic Contact, Co Alarm, Co Detector, Gas Detector, Carbon Monoxide Detector, Heat Detector, Smoke Sensor
Contact Supplier
Audited Supplier
Since 2010
Manufacturer/Factory
Zhejiang, China
Since 2010
Manufacturer/Factory
Zhejiang, China
Since 2006
US $ 4.2-5 /
pieces FOB
299 pieces (MOQ)
More
Main Products: Touch Switch, Remote Switch, Wall Switch, Dimmer Switch, Switch and Socket, Wall Socket, EU Switch Socket, Electric Switch, Doorbell Switch, Curtain Switch
Contact Supplier
Audited Supplier
Since 2024
Manufacturer/Factory,Trading Company
Zhejiang, China
Since 2024
US $ 0.8-1 /
Pair FOB
10 Pairs (MOQ)
Contact Supplier
Audited Supplier
Since 2014
Manufacturer/Factory
Guangdong, China
Since 2014
US $ 4-6.3 /
Piece FOB
100 Pieces (MOQ)
More
Main Products: GPS Tracker, Car Alarm System, Car LED Headlights, Car Camera, Parking Sensor System, Motorcycle Alarm System, Keyless Entry System
Contact Supplier
Audited Supplier
Since 2022
Manufacturer/Factory
Guangdong, China
Since 2022
Manufacturer/Factory
Shanghai, China
Since 2024
US $ 0.3-0.35 /
Piece FOB
100 Pieces (MOQ)
More
Main Products: Microwave Radar Sensor Module, PIR Sensor Module, Fresnel Lens, PIR Sensor/PIR IC/PIR Lens, Ldr Sensor/Light Sensor, Magnifying Card, Anti Sleep Alarm, Personal Alarm, Bike Light, Vr Case
Contact Supplier
Audited Supplier
Since 2016
Manufacturer/Factory,Trading Company
Guangdong, China
Since 2016
US $ 1.72-2.2 /
Piece FOB
2 Pieces (MOQ)
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Alarm Volume (within 1m) : ≥100dB
Contact Supplier
Audited Supplier
Since 2014
Manufacturer/Factory,Trading Company
Fujian, China
Since 2014
US $ 30 /
Piece FOB
100 Pieces (MOQ)
More
Main Products: Smart Electronic Meter, Smart Water Meter, Smart Gas Meter, Automatic Meter Reading System
Contact Supplier
Audited Supplier
Since 2023
Manufacturer/Factory
Hubei, China
Since 2023
US $ 7.43-8.57 /
Piece FOB
100 Pieces (MOQ)
Contact Supplier
Audited Supplier
Since 2024
Manufacturer/Factory,Trading Company
Fujian, China
Since 2024
US $ 6.3 /
Piece FOB
50 Pieces (MOQ)
More
Main Products: USB Charger, Bluetooth, OEM and OEM, Robot, PCBA, Injection Mold, SMT and DIP, Camera, Electric Car, Speaker
Contact Supplier
Audited Supplier
Since 2014
Manufacturer/Factory,Group Corporation
Guangdong, China
Since 2014
US $ 7 /
Piece FOB
138 Pieces (MOQ)
More
Working Principle : Electro-Optical Type
Contact Supplier
Audited Supplier
Since 2023
Manufacturer/Factory
Guangdong, China
Since 2023
10 Pieces (MOQ)
More
Main Products: Sensors, Level Switch, Float Level Sensor, Float Level Switch, Flow Sensor, Level Sensor, Flow Switch, Proximity Switch, Liquid Level Sensor, Liquid Level Switch
Contact Supplier
Audited Supplier
Since 2020
Manufacturer/Factory,Trading Company,Individuals/SOHO
Zhejiang, China
Since 2020
US $ 3.91-4.49 /
Piece FOB
2 Pieces (MOQ)
More
Transmission Mode : Wireless
Contact Supplier
Audited Supplier
Since 2024
Manufacturer/Factory,Trading Company
Guangdong, China
Since 2024
10 Pieces (MOQ)
More
Main Products: Access Control, Time Attendance, Biometric and RFID Reader, Wireless Lock System, TCP/IP Networked Hotel Lock, Electric Magnetic Lock, MIFARE Hotel Lock System, Electronic Lock, Exit Button and Power Supply, RFID Card and Tag
Contact Supplier
Audited Supplier
Since 2013
Manufacturer/Factory,Trading Company
Guangdong, China
Since 2013
US $ 43-45 /
Piece FOB
1 Piece (MOQ)
More
Application : Warehouse
Contact Supplier
Audited Supplier
Since 2012
Manufacturer/Factory,Trading Company
Guangdong, China
Since 2012