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Shop the best prices on 3,463 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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2,689 - 2,720 of 3,463
Hand Knitting Car Ornaments Decorative Rainbow-Shape Car Pendant for Vehicle Office Door Window Balcony
$6.95 Save $26.00 RRP: $32.95
WiFi Door Window Sensor with App Alerts for Home Security and Kid Safety, Easy Install 1 Pack
$22.95 Save $11.00 RRP: $33.95
Smart WiFi Vibration Sensor Alarm Wireless Vibration Detector Alert Real-Time Activity & Shock Detection Black unbrand
$14.95
Woolley Zigbee Door Window Sensor Open Closed Detectors Wireless Mini Sensor Home Alarm Notification Google Home Alexa eWeLink
$59.00 Save $15.00 RRP: $74.00
8X Magnetic Sensor Home Door Window Entry Warning Alarm Switch
$13.95 Save $6.00 RRP: $19.95
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
$32.95
120 Wireless Touch Sensor Security Alarm Loud Door Knob Entry Alert Anti Theft SHYTMV
$20.95 Save $10.00 RRP: $30.95
24Pcs Door and Window Alarm Electronic Alarm Window Alarm Sensor
$42.95
Smart WiFi Door and Window Alarm Sensor, Remote Anti-Theft Alarm
$18.95
Tuya Matter Thread Door Window Sensor
$26.95
Wireless Security Alarm, Door Window Sensor, 90db, 10Pcs
$19.95
Smart Door Magnetic Sensor Anti-Theft Alarm for Door and Window Smart Home Security Detection
$37.95 Save $21.05 RRP: $59.00
Stainless Steel Float Switch for Tank Liquid Water Level Sensor Double Ball Float Switch for Tank Pool Flow Sensors
$29.95 Save $24.05 RRP: $54.00
Magnetic Sensor Magnetic Switch Sensor Window Door Alarm Security Detector Wired Contact Magnetic Wide Gap for Home Garage-Yvan
$26.95 Save $37.05 RRP: $64.00
Air quality tester multifunctional carbon dioxide CO2 tester
$74.00 Save $10.00 RRP: $84.00
Negative Battery Cable AV6N-10C679- for Focus Escape Transit 2012-2018 Battery Management System Sensor AV6N-10C679-GB
$59.00 Save $15.00 RRP: $74.00
Freezer Door Alarm With Delay When Left Open, Door Chime Window Open Alarm Close Doors Reminder Loud 130 Db, 5 Modes
$24.95 Save $44.05 RRP: $69.00
RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Recessed Switch White - (6 Sets)
$11.95
Door and window alarm, wireless door and window detector with remote control and battery, anti-theft and anti-intrusion magnetic sensor，white
$21.95 Save $57.05 RRP: $79.00
2 Pack Double Glazed Window Handle, Right/Left Window Replacement Kit, Suitable for Sliding Windows and Doors (White)
$23.95 Save $60.05 RRP: $84.00
Independent Door Sensor Burglar Alarm Open Closed Magnetic for Gap Alarm Detecto
$40.95 Save $23.05 RRP: $64.00
5-24VDC PIR Sensor 24 Steps Stair Light Controller ES24 SPI
$74.00 Save $10.00 RRP: $84.00
Security Sensor Window Alarm Magnetic Security For Elderly Care Sound And Light Alarm 1Set
$20.95 Save $17.00 RRP: $37.95
Glass Break Detectors, Window Alarm With 125 Db Alarm, Glass Vibration Sensor Alarm(2 Pcs) Banban
$30.95 Save $12.00 RRP: $42.95
Wireless Door Window Contact Sensor Alarm - Door Alarm Window Alarm
$30.95 Save $23.05 RRP: $54.00
Doorstop Security-Alarm for Home Travel Wireless Vibration Sensor Home Securitys Alarm Burglar With Button
$13.95 Save $9.00 RRP: $22.95
2pcs Garage Door Bracket for Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Security Ac
$24.95 Save $39.05 RRP: $64.00
Tuya Zigbee Door Window Sensor A Burglar Alarm Smart Home Automation Security Protection Smart Life
$10.95 Save $38.00 RRP: $48.95
Outdoor Door Window Magnetic Alarm Wireless Sensor Waterproof Monitor Burglar Anti Theft Home Security
$19.95 Save $39.05 RRP: $59.00
Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door Window Sensor Transducer Smart Life Home
$17.95 Save $10.00 RRP: $27.95
Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door Window Sensor Transducer Smart Life Home
$29.95 Save $17.00 RRP: $46.95
Wifi Doorbell With Magnetic Triggered Sensor For Window And Door Security 8.20X4.20X1.60cm White 1Set
$20.95 Save $11.00 RRP: $31.95