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Security System Sensors

Shop the best prices on 10,871 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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961 - 992 of 3,200
Garage Parking Assist, LED Park Aid Sensor with Alarm, Adjustable Height Wall Mount, Battery Operated Stop Sign Bumper Sensor
$64.00 Save $45.00 RRP: $109.00
5 Pin Door Loop 304 Stainless Steel Access Control Wire Breaker for Security Systems
$64.00 Save $55.00 RRP: $119.00
4-in-1 Wireless Door Open Alarm, 2-Pack Freezer Window Fridge Security Sensor with 108dB Loud Alert, 3-60s Delay
$26.95 Save $92.05 RRP: $119.00
Automated Gate Safe Infrared Detector Sensor for Swing Sliding Garage Gate Door Safety Infrared Beam Sensor Photocells
$14.95 Save $69.05 RRP: $84.00
Security Window Door Alarm Sensors(no Sound), Wireless Connection Tuya App2.4g , Not 5g, Burglar Alarm For Kids Safety Home Security,1 Pack, Fj122-h
$94.00 Save $75.00 RRP: $169.00
Infrared Beam Sensor for Gates, Doors Window - External Alarm Detector
$8.95
Magnetic Wireless Door And Window Open Detector Alarms Contact Sensors For Comprehensive Home Security Easy Installation
$49.95
Magnetic Door Window Contact Sensor Alarm Wired-Security Home Burglars Alarm NO/NC Magnetic Switchs Easy to Install
$21.95
Magnetic Wireless Door And Window Open Detector Alarms Contact Sensors For Comprehensive Home Security Easy Installation
$25.95
Door Handle Alarm, Door And Window Alarm Touch Sensor Alarm Door And Window Sensor, 120db Touch Sensor Anti-theft
$17.95 Save $61.05 RRP: $79.00
Tuya WiFi/ZigBee Human Presence Sensor mmWave Radar Detection PIR Motion Sensor Smart
$84.00 Save $65.00 RRP: $149.00
Glass Break Alarm 125dB Window Vibration Detector Sensor Alarm 3 Pack Ultra-Slim Anti-Theft Alarm for Door and Window with Ajustment Sensitivity
$43.95 Save $50.05 RRP: $94.00
GSM 3G 4G Humidity Temperature Alarm Environmental Monitoring Power Failure Alarm
$189.00 Save $50.00 RRP: $239.00
Brake Wheel Speed Sensor 4013251 Quick Response Real Time Monitoring Precise Adjustment Replacement for Polaris
$119.00 Save $70.00 RRP: $189.00
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Burglar Alarm
$15.95 Save $31.00 RRP: $46.95
Temperature Alarm 12VDC GSM 3G 4G RTU Metal for Solar Power Station Meteorological Observatory Library 4GL-V US Plug
$199.00 Save $60.00 RRP: $259.00
4X Tuya WiFi Light Sensor Smart Home Illumination Sensor APP Linkage Control Brightness Detector Illumination Automation
$104.00
Door Alarm Sensor 108dB Wireless Magnetic Security with Remote for Home Garage RV and Pool Gate
$29.95 Save $15.00 RRP: $44.95
Emergency Door Release Glass Break Alarm Button with Manual Reset for Fire Exit and Home Security
$22.95 Save $12.00 RRP: $34.95
Magnetic Reed Switch NC Recessed Door Window Alarm Sensor, DualPack, Metal Compatible
$20.95 Save $11.00 RRP: $31.95
Smart Door Sensor 2 Pack, Wireless Door Alarm with App Alerts, Alexa Google Compatible for Home Security
$47.95 Save $26.05 RRP: $74.00
WiFi Door Sensor with RealTime Alert, Wireless Magnetic Window Sensor for Home Security
$25.95 Save $13.00 RRP: $38.95
Magnetic Door Contact Sensor NC Reed Switch for Garage Gate Security, Zinc Alloy, 40mm Gap
$20.95 Save $11.00 RRP: $31.95
Door Window Alarm Sensor with Sensitivity Magnetic Detection for Home Security and Office Use
$20.95 Save $11.00 RRP: $31.95
MC38 Wired Door Window Magnetic Sensor NC NO for Home Security Alarm with Easy DIY Installation
$20.95 Save $11.00 RRP: $31.95
Door Window Alarm Sensor with Sensitivity Magnetic Detection for Home Security and Office Use
$20.95 Save $11.00 RRP: $31.95
Security Alarm Sensor with Smart Motion Detection for Hotel Room and Door Window Safety
$20.95 Save $11.00 RRP: $31.95
Door Window Security Alarm 130dB Loud Adjustable Volume 5 Modes Wireless Sensor with Remote Control for Home Safety Kids and Elderly
$27.95 Save $14.00 RRP: $41.95
Wireless Door and Window Sensor Alarm with Sensitivity Magnetic Detection for Home and Office Security
$20.95 Save $11.00 RRP: $31.95
Smart Vibration Sensor 4Pack, Wireless Glass Break Detector, WiFi Door Window Alarm with App, Tuya Compatible
$64.00 Save $30.00 RRP: $94.00
Magnetic Door Sensor NC Recessed Wired Window Contact for Home Security and Burglar Alarm Systems
$33.95 Save $17.00 RRP: $50.95
Door and Window Alarm Sensor, 10 Pack NC Wired Recessed Magnetic Reed Switch for Home Security, Brown
$24.95 Save $13.00 RRP: $37.95