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Shop the best prices on 11,346 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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1,857 - 1,888 of 3,200
Magnetic Wireless Door And Window Open Detector Alarms Contact Sensors For Comprehensive Home Security Easy Installation
$50.95
3In1 Air Quality Analyzers CO Temperature Humidity Data Display Rechargeable Alarm Sensors for Outdoor Camping Travel Orange
$104.00
AUBESS Tuya WiFi Smart Door Sensor Door Open Closed Detectors Protection Alarm System
$31.95 Save $7.00 RRP: $38.95
Tuya Zigbee Smart Vibration Sensor Intelligent Detection Alarm Home Security
$39.95 Save $8.00 RRP: $47.95
Door Window Contact Sensor Alarm, Wireless Door Window Magnetic 4pcs
$21.95
DIY window alarm with magnetic sensor for security
$34.95 Save $18.00 RRP: $52.95
Multicolor Cat Face Night Lamp with Vibration Sensor - Kid-Friendly, Rechargeable, Perfect for All Ages
$37.95 Save $21.05 RRP: $59.00
TTP229 16 Channel Digital Touch Sensor Module Capacitive Touch Switch Button
$12.95
Digital Thermometer With Wifi Connectivity And Freezer Alert For Home Monitoring jinst1
$89.00 Save $40.00 RRP: $129.00
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Burglar Alarm s202412245722
$10.95 Save $40.00 RRP: $50.95
25-26 High Sensitivity Detector Hotel Anti-anti-sneaky Camera Anti-eavesdropping Artifact Wireless Precision Alarm,red
$79.00 Save $80.00 RRP: $159.00
2025 Fake TV Simulator Anti-Burglar Device with AC Adaptor for Home Security
$28.95 Save $30.05 RRP: $59.00
Tuya Zigbee Wifi Smart Door Sensor Door Open Closed Detector Security 25-26
$32.95 Save $31.05 RRP: $64.00
For Door Open Alarm Smart Door Window Sensor
$51.95 Save $57.05 RRP: $109.00
Outdoor LED Motion Sensor Switch 90~240V 180 Degree Security Infrared PIR Motion Sensor Detector Wall Light Switch
$31.95 Save $20.00 RRP: $51.95
Wireless Home Doors Windows Security Entry Alarm System Pack 6
$27.95
door handle alarm, door and window alarm touch sensor alarm door and window sensor, 120dB touch sensor anti-theft
$30.95 Save $20.00 RRP: $50.95
2 Pack Window Door Alarm, 110dB Wireless Anti-theft Magnetic Sensor for Apartment Garage Safes DIY Installation
$27.95
Window Alarm with Vibration Sensor, Window Security Alarm with Loud 125db Alarm and Sensitivity Adjustment, Ultra-Slim Burglar Alert Shock Sensor For
$47.95
100 Decibel Home Burglar Alarm Doorbell Vibration Sensor Door and Window Siren Ultra-Thin Round Shape with Sticker
$30.95 Save $20.00 RRP: $50.95
PIR Motion Detector Ceiling Surface Mount 360 Max 1200W
$31.95
WIFI PIR Motion Detector Wireless Passive Infrared Detector Burglar Alarm Tuya APP Control Smart Home
$37.95
12V Dual Wire PIR Motion Detector, Infrared Sensor Alarm, Home Security System Alarm for Shop/House/Factory.
$29.95
Fake TV Simulator with Light Sensor - Home Security Device Imitates TV Activity to Deter Burglars When Away
$94.00 Save $45.00 RRP: $139.00
100m Digital Pulse IR Alarm Sensor, Dual Beam Infrared and Invisible Alarm Sensor.
$179.00 Save $110.00 RRP: $289.00
Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless Fridge Alarm, 4 in 1 Door Sensor Doorbell Door Open Alarm Loud108dB
$13.95
Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door and Window Security Alarm Home
$13.95 Save $1.00 RRP: $14.95
Smart Motion Sensor,wifi Wireless Security Alarm,with Free Notification
$36.95 Save $17.05 RRP: $54.00
Door and Window Alarm, Wireless Door and Window Detectors with Remote Control and Batteries, Anti-Intrusion Anti-Theft Magnetic Sensor use in Home and unbrand
$22.95 Save $36.05 RRP: $59.00
Window Alarm Sensors, Door Al compatible Home Security,120 Db Pool Door Alarm compatible Kids Safety (8 Pack)_Special Gift
$79.00 Save $40.00 RRP: $119.00
Wireless Door Window Alarm 6-Pack with Magnetic Sensor for Home Security
$28.95
Tuya Zigbee Multifunctional Pressure Sensor Flexible Thin Film Pressure Sensor Smart Linkage Smart L
$47.95 Save $16.05 RRP: $64.00