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Security System Sensors

Shop the best prices on 11,323 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Gze and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1,537 - 1,568 of 3,200
Freezer Door Alarm When Left Open, Safety Window Alarm, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-in-1 Door Sensor Chime Door Open
From $38.95
Magnetic Remover Clothing Hard Tag Remove/security Tag Detacher Tw
From $16.95
Alarm Magnetic Contact for Roller Shutter Garage Door Sensor NF
From $34.95
2pcs Wired Pir Motion Sensor Wide Angle Passive Infrared Detector For Home Burglar Security Alarm Sy
From $36.95
4X Perimeter Trip Wire Alarm Device 12 Gauge Accessories with 22 Option Early Warning Security System
From $149.00
100V 10W Zinc Alloy Magnetic Reed Switch NC Door Window Contact Sensor for Garage Warehouse Shop in Europe
From $18.95
2.4GHz Wireless TTLOCK Door Sensor
From $39.95
Heavy Duty Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC with Adjustable Bracket
From $19.95
1 Pair Beam Photoelectric Infrared Detector Alarm Barrier Sensor Gate Door Windo
From $26.95
1 Set NO NC Magnetic Door Window Contact Sensor Alarm Reed Switch Fit for GPS Alarm or Other Device with 2 Screws White
From $16.95
Tuya Zigbee Wifi Smart Door Sensor Door Open Closed Detector Security 25-26
From $30.95
25-26 2025 Latest Model Aqara Light Sensor T1 Zigbee 3.0 Brightness Sensor Smart Home
From $79.00
Zigbee Vibration Sensor For Door And Window Security, Low Power, Notifications, Model ZG103ZL
From $44.95
Alarm Touch Sensor 120 DB Wireless Security Door Knob Alarm for Home Office Shop Bank Portable Anti-Theft Black
From $32.95
Sensor Protection Cover for Head Protector 5Pcs Metal Silver
From $64.00
Sensor Cage Alarm Head Protector for 5Pcs Residential and Commercial Use
From $54.00
Tuya Wifi Zigbee Door Sensor Tuya App Door Ow
From $16.95
1 Channel SCR Relay Switch Module MOS Transistor Output Optocoupler Isolation Anti Interference Relay Module DC3 to 24V
From $14.95
Touch Sensor Door Handle Alarm Anti Theft Vibration Window Burglar Alert Home Security Door Alarm Anti Theft Door Alarm
From $20.95
Infrared Detector Sensor for Swing, Sliding, and Garage Gates - 1 Pair Safety Accessory
From $21.95
4-Piece Door and Window Alarm Set, Magnetic Burglar Alarm Sensor, Siren for Child Safety
From $25.95
prodef Garage Door Bracket for Ring Alarm Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Security Accessory
From $22.95
Automatic Gate Door Garage Detector DC12V Infrared Photocell Beam Sensor
From $12.95
High Temperature Resistant Electrical Lockout and Tagout Kit with Toolbox
From $289.00
DC5V 6A Power Adapter Power Supply Brick Switching Transformer for LED Light Strip Security Monitoring 100240V
From $22.95
Smart alarm with vibration sensor, real-time monitoring, door/window vibration detection alarm for home security, compatible with Home
From $20.95
Adjustable Delay Wireless Fridge Alarm Door Open, 3/15/30/60 Seconds Security
From $54.00
Door And Window Anti-Theft Alarms, Door Sensors (For Export)
From $39.95
433 Wireless Door Sensor Detector For Home Window Cabinet Switch Status Monitoring And Anti-Theft Use With The Host
From $44.95
Intelligent Door Magnetic Detector Wireless Home Hotel 433 Door Magnetic Induction Alarm Door And Window Alarm
From $44.95
2Pcs Automatic Infrared Beam Detector IR Alarm Sensor for Door Security System 2025
From $79.00
Zinc Alloy Magnetic Sensor with 100V Rating compatible with Secure Facilities
From $23.95