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Shop the best prices on 3,451 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Other, Ebox and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Canada.

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2,977 - 3,008 of 3,451
Door Window Magnetic Contact Alarm Burglar Security Safety System for Shop Garage Supermarket
$13.95 Save $4.00 RRP: $17.95
DC12V Infrared Photocell Beam Sensor Automatic Gate Door Garage Shutter Barrier Detector for Door Wi
$23.95 Save $7.00 RRP: $30.95
Tuya WiFi Human Presence Sensor 24G 5V MMwave Radar with Siren Alarm Motion Detection Smart Life Home Automation DIY
$36.95 Save $11.00 RRP: $47.95
Smoke Detector Alarm With 85db Big Sounds With Carbon Monoxide Detector
$379.00
Compact Singal Radiation Beam Door Window Infrared Detector Alarm for Home Security
$24.95 Save $7.00 RRP: $31.95
Infrared Beam Sensor Outdoor Waterproof Single Beam Infrared Beam Alarm for Security System Factory
$26.95 Save $8.00 RRP: $34.95
Wireless Vibration Alarm 120dB Alarm Sound Safe Prevent Theft Door Window Alarm Sensor for Home
$19.95 Save $6.00 RRP: $25.95
Light Sensor Smart Automatic Adjustment Wireless Connection WiFi Brightness Sensor for Tuya for Livi
$40.95 Save $13.05 RRP: $54.00
Active Infrared Beam Sensor Anti Theft for Gate Openers Access Control Security Alarm System
$28.95 Save $8.00 RRP: $36.95
Tuya Zigbee Solar Light Sensor IP65 Waterproof Outdoor Brightness Detector with Real Time Luminance Monitoring
$34.95
10X Infrared Sensor Switch No Contact Contactless Switches Door Release Exit Button with LED Indicat
$74.00 Save $45.00 RRP: $119.00
Light Curtain Sensor Switch Safety Light Grating Security Device(12 Beams BEM1240C440NB)
$159.00 Save $90.00 RRP: $249.00
Concealed Devices Detector Portable 7 in 1 Listening Device Detector for Home Office Hotel
$104.00 Save $65.00 RRP: $169.00
Light Curtain Sensor Switch Safety Light Grating Security Device(10 Beams BEM1040-C-360NB)
$129.00 Save $80.00 RRP: $209.00
Door Sensor Alarms Home Security Anti Theft Burglar Door Window Entry Open Sensor Alarms for Home Apartment
$14.95 Save $8.00 RRP: $22.95
Door Window Magnetic Sensor Alarm Burglar Security System for Smart Home
$16.95 Save $9.00 RRP: $25.95
Biuzi Magnetic Door Catch, Door Window Magnetic Contact Wired Sensor Detector Switch for Home Garage Alarm Security
$26.95 Save $16.00 RRP: $42.95
Smart Wifi Door Window Sensor, Security Magnetic Sensor Closed Detector, Alexa
$21.95 Save $10.00 RRP: $31.95
10pcs Magnetic Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhance
$19.95 Save $3.00 RRP: $22.95
ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm ZigBee Compatible
$28.95 Save $14.00 RRP: $42.95
Vibration Sensor Module Pack Of 10, Sensitivity, Strong Comparator Outputs For Relay And Alarm Modules
$20.95 Save $10.00 RRP: $30.95
ZIGBEE 3 0 Vibration Sensor For Wireless Smart Home Door And Window Monitoring Low Power Real Time Alerts
$34.95 Save $17.00 RRP: $51.95
Zigbee Vibration Sensor For Door And Window Security, Low Power, Notifications, Model ZG103ZL
$40.95 Save $23.05 RRP: $64.00
Tuya Smart ZigBee 3.0 Smart Temperature and Humidity Sensor Battery Powered Security with Tuya Smart
$31.95 Save $47.05 RRP: $79.00
Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door Window Sensor ducer Smart Life Home
$11.95 Save $38.00 RRP: $49.95
Mini Tuya WIFI Elderly SOS Button Waterproof Emergency Panic Sensor Alert Push to Mobile Home Automa
$21.95 Save $37.05 RRP: $59.00
Light Sensor T1 Brightness Sensor Smart Home Lighting Change Controlled for Home
$15.95 Save $35.00 RRP: $50.95
E3Z-R61 NPN Photoelectric Beam Sensor with Bracket
$54.00 Save $35.00 RRP: $89.00
Tuya Smart Wifi Alarm Door And Window Vibration Sensor Security Protection Alert Works With Alexa
$54.00 Save $85.00 RRP: $139.00
Smart Motion Sensor,wifi Wireless Security Alarm,with Free Notification
$54.00 Save $40.00 RRP: $94.00
Wifi Door Alarm Sensor Wireless Door Window Contact Sensor Alarm With App
$74.00 Save $20.00 RRP: $94.00
Trip Wire on Reusable Reel (3 Pack) - Early Warning Perimeter Defense for All Devices 85FT Line on Easy Wind Reel
$15.95 Save $8.00 RRP: $23.95