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Security System Sensors

Shop the best prices on 10,847 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Other and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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2,433 - 2,464 of 3,200
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
$43.95 Save $30.05 RRP: $74.00
DOBERMAN SE-0701 Oval Household Anti-theft Door and Window Magnetic Spring Sensor Super Loud Simple Alarm
$17.95
Home Garden > Home > System Sensors
$21.95
Refrigerator Freezer Door Alarm with 60-Second Alert, Adjustable Volume & Open Sensor
$46.95 Save $37.05 RRP: $84.00
Tuya ZigBee Smart Vibration Sensor Wireless Glass Break/Drop/Tilt Detector Built-in Smart Siren Ala
$35.95
Brand new 3 in 1 Bedwetting Alarm with a sensor cable suitable for nocturnal enuresis
$46.95
Tuya Zigbee Smart Temperature And Humidity Sensor Battery Powered Zigbee Smart Home
$31.95 Save $62.05 RRP: $94.00
Tuya Wifi Door Sensor Home Security Alarm System 90db Scene Alert Tuya Smart Life
$36.95 Save $62.05 RRP: $99.00
Wireless Fridge Alarm - 4-in-1 Door Sensor Chime - Adjustable Delay - Freezer Door Alarm
$17.95 Save $46.05 RRP: $64.00
DC12V Infrared Photocell Automatic Beam Sensor Gate Garage Door Shutter Detector 24V 1 Pair
$59.00 Save $10.00 RRP: $69.00
120 Wireless Touch Sensor Security Alarm Loud Door Knob Entry Alert Anti Theft
$26.95
SONOFF DW2 RF Wireless Door/Window Sensor with eWeLink App and Alexa Support
$26.95 Save $21.00 RRP: $47.95
Tuya Zigbee 3.0 Door and Window Sensor, Smart Home Detector with App Control via Alexa and Google Home
$29.95 Save $21.00 RRP: $50.95
2G Callback Locator Anti-Theft Voice-Activated Sensor Alarm N9 US
$24.95
Photoelectric Infrareds Proximitys Switches Sensors Module for Automatic Devices with High Sensitivity and Quick Responses Multicolor
$37.95
Wireless Door Opening Contact Sensor Alarm with Buzzer
$59.00 Save $30.00 RRP: $89.00
Anti-Theft Refrigerator And Freezer Alarm, Door Window Left Open, Reminders At 30 Seconds Edition 0830
$41.95 Save $22.05 RRP: $64.00
Wireless Home Alarm Kit,WiFi Door Window Sensor,Smart Door,Phone Notification,Work with Smart Life app
$42.95 Save $36.05 RRP: $79.00
2X WiFi Smart Zigbee Temperature and Humidity Sensor LCD Screen History Record Smart Home Security Remote Control
$33.95
5X Perimeter Trip Alarm, 22 Gauge Camping Trip Alarm Trip Wire Alarm Device, Early Warning Security System
$38.95
Smart Home Zigbee Scene Wireless Switch ZG-101ZL
$31.95
4X Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door and Window Security Alarm Home Security
$30.95
Door Anti Burglar Protection Kit 911770 Door Security Device Replacement for Peugeot Boxer
$25.95 Save $26.00 RRP: $51.95
Security Window & Door Alarm Sensors(no Sound), Wireless Connection Tuya App2.4G , Not 5G, Burglar Alarm for Kids Safety Home Security,2 Pack, FJ122-H
$50.95 Save $13.05 RRP: $64.00
PB-68R Intelligent Wireless Door Window Sensor
$13.95
1~5PCS New Longer Door Window Wireless Burglar Alarm With Magnetic Sensor Home Safety Wireless Longer System Security Device
$13.95
Tuya Wifi Smart Door Sensor Door Open Closed Detectors Smart Home Security Protection Alarm System Smart Life App Control
$20.95
10pcs Magnetic Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced B
$35.95 Save $48.05 RRP: $84.00
2 Pcs Infrared Beam Detector Burglar Ir Alarm Sensor Automatic Door Light Sensor
$51.95 Save $37.05 RRP: $89.00
10 Pack Window Alarm Wireless Door Magnetic Sensor Alarm for Home Security System, Pool Door Alarm
$69.00 Save $90.00 RRP: $159.00
M-809 Magnetic Wireless Door Sensor Burglar Alarm Detector For Home Security
$42.95 Save $61.05 RRP: $104.00
Wireless Magnetic Wave Signal Detector Bug Sweeper Listening Device Anti Spy Hidden Camera Detector
$119.00 Save $60.00 RRP: $179.00