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Shop the best prices on 2,952 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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257 - 288 of 2,952
Magnetic Door Switch RC-33 NC Recessed Wired Sensor Alarm (10 Sets)
$16.95 Save $7.00 RRP: $23.95
White Door Window Contacts Magnetic Switch Sensor
$45.95 Save $13.05 RRP: $59.00
W100 Smart WiFi Bridge Gateway and Door Sensor Set for
$84.00 Save $15.00 RRP: $99.00
Photocell Single Beam Active Infrared Beam Sensor Detector IR Alarm
$20.95 Save $4.00 RRP: $24.95
2pcs 433MHz Wireless Vibration Glass Break Detector White
$19.95 Save $4.00 RRP: $23.95
Outdoor Door Window Magnetic Alarm Wireless Sensor Waterproof Monitor
$28.95 Save $6.00 RRP: $34.95
Tuya Smart Door Window Alarm Sensor Door Magnetic Password Disarm
$27.95 Save $6.00 RRP: $33.95
5 Sets Magnetic Reed Switch DC100V Normally Open Closed Recessed Wired Door Window Sensor Switch for Alarm System White
$38.95 Save $11.00 RRP: $49.95
6pcs Cylindrical, Brown Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch, Magnet Close Connect Circuit, Magnet Far Break
$59.00 Save $30.00 RRP: $89.00
Outdoor Door Window Magnetic Alarm Wireless Sensor Waterproof Monitor Burglar Anti Theft Home Security
$20.95 Save $48.05 RRP: $69.00
Garage Door Bracket for Ring Alarms Contact Sensors(2nd Gen)
$10.95 Save $8.00 RRP: $18.95
Zigbee Smart Gateway Zigbee Wireless Hub Gateway for Smart Home Automation for Zigbee Devices Via Smart Life
$36.95
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 Save $26.05 RRP: $59.00
Doorstop Security-Alarm for Home Travel Wireless Vibration Sensor Home Securitys Alarm Burglar With Button
$27.95 Save $31.05 RRP: $59.00
Tuya Smart Wifi Alarm Door And Window Vibration Sensor Security Protection Alert Works With Alexa
$54.00 Save $85.00 RRP: $139.00
Wireless Home Doors Windows Security Entry Alarm System Pack 6
$48.95 Save $50.05 RRP: $99.00
Doorstop Security-Alarm for Home Travel Wireless Vibration Sensor Home Securitys Alarm Burglar With Button
$13.95 Save $9.00 RRP: $22.95
Angus Aw201 Wifi Door Window Sensor Tuya Smart Home Independent Wireless Security Alarm
$69.00 Save $50.00 RRP: $119.00
2 Pack Freezer Door Alarm - Wireless Fridge Alarm with 3/15/30/60 Seconds Delay, 4 in 1 Door Sensor
$79.00 Save $50.00 RRP: $129.00
MOES Tuya WiFi Door Window Sensor Smart Home Wireless Door Detectors Door Magnetic Automation With Alexa Google Home
$189.00 Save $70.00 RRP: $259.00
WIFI Door Sensors Alarms Contact Wireless Door Window Magnet Entry Detector Sensor for Home Security APP tuya2pcs
$94.00 Save $25.00 RRP: $119.00
Door & Window Alarm, Door / Window Sensor, 120db Touch Sensor Door Handle
$89.00 Save $40.00 RRP: $129.00
4X UTP 4 Channel Passive Video Balun Transceiver
$59.00 Save $70.00 RRP: $129.00
Compact Magnetic Security Tag Remover, EAS Hard Tag Unlocking Tool for Retail Stores, Apparel Shops, Supermarkets, and Sports Equipment Tags
$14.95 Save $26.00 RRP: $40.95
Replacement Screen Foil and Blade Kit for 3 Series Models 310 5000/6000 5724 5735 5736 5738 5739 5770 5771
$12.95 Save $9.00 RRP: $21.95
Digital Thermometer with WiFi Connectivity and Freezer Alert for Home Monitoring
$39.95 Save $34.05 RRP: $74.00
Detector Cover Stainless Steel Protective Housing for 2Pcs Sensor
$19.95 Save $12.00 RRP: $31.95
Burglar Alarm for Doors and Window 120dB High Decibel Salarm Sensor
$8.95
Tuya Smart Door Sensor Wireless WiFi Door Window Detector
$17.95
8Pcs Foot Sensing Strip Sensor Bar for Dancing Machine Accessories
$19.95
Sensor Protector Cage for Residential Use Alarm
$19.95
Hearthxy Solar Motion Alarm - Solar Motion Alarm Sensor With Sound - 129db Sound Security Siren 4 Outdoor Sensor Alarm Modes For Home Farm Barn House
$32.95 Save $16.00 RRP: $48.95