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Shop the best prices on 4,267 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.

Home Alarm SystemsSecurity Sensors & RecordersSafesEmergency PreparednessSecurity Lights & MirrorsFire Alarms & ExtinguishersDetectors
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1 - 32 of 3,200
Garage Door Bracket for Ring Alarm Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Securi
$10.95 Save $6.00 RRP: $16.95
10pcs Magnetic Reed Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced Home Safety B
$16.95 Save $9.00 RRP: $25.95
Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack)
$50.95 Save $138.05 RRP: $189.00
TUYA WIFI Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor 2.4G WiFi Smart Home 1M
$17.95 Save $7.00 RRP: $24.95
2PCS Tuya Smart WiFi SOS Button Emergency Wireless Security Alarm Panic Device for Safety Smart Life Remote
$25.95
1/4 Inch Magnet Riser,10 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magnet Not Incl
$26.95 Save $21.00 RRP: $47.95
12V 3A Power Supply Adapter Universal Power Adapter Transformer for Monitor
$18.95 Save $6.00 RRP: $24.95
10 Sets 433MHz Wireless Magnetic Door Window Sensors for Enhanced Home Security Compatible with Home Burglar Systems
$36.95 Save $22.05 RRP: $59.00
3pcs 433MHz Wireless Vibration Glass Break Detector, Adjustable Sensitivity, Compatible with Alarm Systems Black
$18.95 Save $10.00 RRP: $28.95
1/4 Inch Ring Alarm Magnet Riser,5 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magnet Not Included unbrand
$15.95
Wireless Door Stop Alarm Stainless Steel Sensitivity Level Sensor Wedge-shaped Portable Home Travel Security Betterlifefg
$30.95
Security Window & Door Alarm Bell | Wireless Sensor Door Window Burglar Alarm | Pack of 10
$99.00 Save $60.00 RRP: $159.00
GSM 3G 4G Humidity Temperature Alarm Environmental Monitoring Power Failure Alarm
$209.00 Save $70.00 RRP: $279.00
Hidden Camera Spy Bug Detector Anti Spy Things Mini Wireless Signal Cam Tracker Wiretap Finder Anti-sneak Shooting
$24.95
TUYA WIFI Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor 2.4G WiFi Smart H
$20.95 Save $9.00 RRP: $29.95
Anti Hidden Camera Detector RF Signal Wireless Camera Lens Bug GPS Tracker Magnetic GSM Device Scan Finder
$64.00 Save $40.00 RRP: $104.00
Garage Door Bracket for Ring Alarms Contact Sensors(2nd Gen), Easy-to-Install Garage Door Safety Accessory
$26.95 Save $27.05 RRP: $54.00
R558S Capacitive Fingerprint Acquisition Module Access Control Security Equipment Fingerprint Recognition Module
$31.95 Save $27.05 RRP: $59.00
Door Contact Sensor Alarm Durable Zinc Alloy Responsive Normally Closed 10W 100V Magnetic Reed Switch for Warehouse for Garage
$74.00 Save $75.00 RRP: $149.00
2PCS Tuya Smart WiFi SOS Button Emergency Wireless Security Alarm Panic Device for Safety Smart Life Remote
$26.95
Anti-Spy Wireless RF Signal Detector Bug GSM GPS WiFi Tracker Camera Bug Signal Detector Anti-Spy Infrared Scanner
$17.95 Save $8.00 RRP: $25.95
Glass Break Detectors, Window Alarm with 125dB Alarm, Glass Vibration Sensor Alarm for Your Home, Office, Garage, Dorm Room, Or Even RV, White(2 Piece
$45.95 Save $23.05 RRP: $69.00
Door and window alarm safety magnetic sensor
$34.95 Save $17.00 RRP: $51.95
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
$37.95 Save $26.05 RRP: $64.00
Garage Door Bracket for Ring Alarms Contact Sensors(2nd Gen), Easy-to-Install Garage Door Safety Accessory
$10.95
Tuya ZigBee Smart Door and Window Sensor Burglar Magnetic Sensor with Scene Interaction Button APP Remote Control
$22.95 Save $13.00 RRP: $35.95
Tuya Wifi Smart Door Sensor Window Entry Sensor with Scene Interaction Button Smart Life for APP Remote Control
$19.95 Save $12.00 RRP: $31.95
TUYA WIFI Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor 2.4G WiFi Smart Home 1M
$18.95 Save $11.00 RRP: $29.95
Tuya ZigBee 3.0 Window Door Gate Sensor Detector Controlled Via Smart Life App for Alexa Google Home White
$19.95 Save $11.00 RRP: $30.95
Wireless Mailbox Alert System with 800 Ft Range LED Flash Notification Chime Alarm for Mail Delivery SZRH A-F
$36.95 Save $47.05 RRP: $84.00
Smart WIFI Door Window Sensor, Security Magnetic Sensor Close Detector, Alexa and Google Home Compat
$41.95 Save $37.05 RRP: $79.00
2.4GHz Wireless TTLOCK Door Sensor
$26.95