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Security System Sensors

Shop the best prices on 10,637 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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2,913 - 2,944 of 3,200
Reusable Trip Wire Reel 85ft with 12 Gauge Wire Perimeter Alarm Security
From $54.00
Wireless Door Window Alarm 6-Pack, 90 dB Magnetic Sensor Home Office Security
From $28.95
Versatile Wireless Door Magnetic Detectors Wide Coverage Wireless Door Sensor Alarm Remote Alarm for Far-Off Detection Multicolor
From $27.95
IR Alarms Sensor Infrared Beam Detector for Burglar Alarm System
From $26.95
6-Pack Wireless Window Door Burglar Alarm Mini Magnetic Security Entry Alarm System
From $14.95
Infrared Photocell Beam Sensor DC12V for Automatic Gate Door Garage Detector
From $10.95
Door Window Open Alarm, Wireless Remote Control Magnetic Sensor
From $11.95
2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Window Open Close Status DS3 Works with G
From $41.95
Door Alarm Contact Sensor Wireless WiFi Smart Magnetic Door Detector for Home Garage Apartment 3V
From $22.95
Door and Window Alarm - Set of 4x Wireless Anti-Intrusion Alarm - Home Security Against Burglary - Magnetic Operation - 90 dB
From $54.00
433MHz Wireless Door/Window Magnet Sensor Detector for 99-Zone Alarm System, Home Security Magnetic Contact Switch
From $41.95
2Pcs Wireless Window Door Vibration Alarm 130dB 5 Adjustable Modes Home Security Sensor
From $28.95
Wired-Magnetic Door Window Contact Sensor Waterproof Door Window Sensors Detector for Home Security Alarm System Multicolor
From $29.95
Smart WiFi Door/Window Sensor | Tuya Smart Alarm, Wireless Entry Detector with Real-Time Alerts, Compatible with Alexa/Google Home, No Hub Required (
From $59.00
Intelligent Door Magnetic Detector Alarm for Home and Hotel with 433MHz Door Magnetic Induction-JJ
From $54.00
Garage Door Magnetic Curtain Door Sensor with 5m Wired Magnetic Detector for Garage Door Opener Accessories
From $19.95
10W Zinc Alloy Door & Window Contact Sensor - Responsive NC, for Garage, Warehouse, Shop (100V)
From $33.95
Bed Wetting Wireless Alarm Urine Sensor Rechargeable Pee Wet Alarm With Receiver
From $59.00
Infrared Beam Detector Burglar Ir Alarms Sensor Alarm System -LL
From $28.95
12v Waterproof Infrared Photocell Gate Door Ir Sensor Automatic Barrier Hence
From $12.95
WiFi Smart Door Sensor, Open/Closed Detector for Home Security, 1/2/3pcs, Smart Life App Control, Wireless Door Alarm System
From $59.00
Door Window Contact Sensors for Home Security-JJ
From $46.95
Door Handle Sensor Alarm Vibration Type Export Version-JJ
From $47.95
Photoelectric Beam Sensor for Automatic Sliding and Swing Door Safety
From $47.95
Tuya ZigBee Smart Door Sensor Door Open/Closed Wireless Detector Tamper Alarm Security System for Work with -LL
From $27.95
Stainless Steel Float Switch for Tank Liquid Water Level Sensor Double Ball Float Switch for Tank Pool Flow Sensors
From $28.95
12V PC Fan Temperature Control PWM Speed Controller Module Alarm Buzzer Sensor with Alarm Blue
From $17.95
Tuya WiFi Temperature Sensor, Waterproof, 2.4G Smart Remote Monitor
From $14.95
Window and Door Alarm Easy to Install 10 Pieces per Pack Drawer Refrigerator Anti-intrusion Alarm
From $46.95
Door Magnetic Alarm 108dB Anti-theft Alarm Door Opening Reminder Refrigerator Door and Window Security Protection Device
From $25.95
Door Magnetic Sensor, 130dB Alarm, LR44 Button Battery, Office Door and Window Security Device
From $22.95
Tuya WiFi Door Sensor Smart Door Open / Closed Detectors Smartlife APP Wifi Window Sensor Work
From $74.00