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Security System Sensors

Shop the best prices on 3,351 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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1 - 32 of 3,351
12V 3A Power Supply Adapter Universal Power Adapter Transformer for Monitor
$18.95 Save $5.00 RRP: $23.95
Outdoor Door Window Magnetic Alarm Wireless Sensor Waterproof Monitor Burglar Anti Theft Home Securi
$25.95
Door Magnetic Alarm Wireless Door and Window Anti-Theft Alarm Home Anti-Theft Door Opening Sensor 10 Pcs
$16.95 Save $30.00 RRP: $46.95
10pcs Magnetic Reed Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced Home Safety B
$16.95 Save $8.00 RRP: $24.95
Zigbee Smart Door Window Sensor Wireless Mini Alarm Sensor for Mi Home
$12.95 Save $41.05 RRP: $54.00
Door Magnetic Alarm Wireless Door and Window Anti-Theft Alarm Home Anti-Theft Door Opening Sensor 10
$17.95 Save $10.00 RRP: $27.95
Automatic Toilet Flush Button Smart Flusher ExternalInfrared Sensor
$16.95
Tuya ZigBee Smart Door and Window Sensor Burglar Magnetic Sensor with Scene Interaction Button APP Remote Control
$22.95
Tuya WiFi Smart Home Burglar Alarm Sensor Infrared Motion Detector PIR Sensor Security Protection R
$28.95 Save $4.00 RRP: $32.95
Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Window Alarm
$15.95 Save $7.00 RRP: $22.95
1 Pair Automated Gate Safe Infrared Detector Sensor/ Swing /Sliding/Garage Gate / Door Safety Infrar
$18.95 Save $12.00 RRP: $30.95
Tuya Smart WiFi Alarm Door and Window Vibration Sensor Security Protection Alert Works with , Smart
$41.95 Save $27.05 RRP: $69.00
Motion Sensor Outdoor, Automatic Security Sensor For Living Room, Kitchen, Hall, Garden, Terrace, Indoor/Outdoor Use
$30.95 Save $15.00 RRP: $45.95
Ultrasonic Ranging Alarm Kits LED Display Design of Reverse Alarm DIY Kit Ultrasonic Sensor Module
$16.95 Save $6.00 RRP: $22.95
Wireless Door Window Contact Sensor Alarm - Door Alarm Window Alarm
$18.95 Save $21.00 RRP: $39.95
Door Anti Burglar Protection Kit 911770 Door Security Device Replacement for Peugeot Boxer
$48.95
2 Sets Magnetic Reed Switch NO NC Wired Surface Mounted Magnetic Contact Switch for Door Window
$20.95 Save $6.00 RRP: $26.95
Touch Sensor Pannel NO NC COM Exit LED Light Access Control Switch Button for Home Security
$23.95 Save $6.00 RRP: $29.95
Door Magnetic Alarm Wireless Door and Window Anti-Theft Alarm Home Anti-Theft Door Opening Sensor 10 Pcs
$26.95 Save $8.00 RRP: $34.95
Home Security Window Vibration Alarm Door Break Alarm Devices 4Pcs
$54.00 Save $20.00 RRP: $74.00
Security Window & Door Alarm Bell | Wireless Sensor Door Window Burglar Alarm | Pack of 10
$99.00 Save $60.00 RRP: $159.00
Photocell Infrared Sensor Detector for Automatic Gate Obstacle Detector Anti-Theft Alarm System unbrand
$15.95
Zigbee Door Sensor Window Sensor Tuya Door Opener Detector Wireless Smart Door Sensor Alarm for Home Security&Automation unbrand
$13.95
Smart WiFi Vibration Sensor Alarm Wireless Vibration Detector Alert Real-Time Activity & Shock Detection Black unbrand
$14.95
Tuya Zigbee Door Window Sensor A Burglar Alarm Smart Home Automation Security Protection Smart Life
$11.95 Save $2.00 RRP: $13.95
Ultrasonic Ranging Alarm Kits LED Display Design of Reverse Alarm DIY Kit Ultrasonic Sensor Module f
$15.95 Save $9.00 RRP: $24.95
Garage Door Bracket for Ring Alarms Contact Sensors(2nd Gen), Easy-to-Install Garage Door Safety Acc
$10.95 Save $2.00 RRP: $12.95
6 Pcs Remote Door Alarm Door Sensor Chime Door Magnets Alarm Window Alarms Sensors Burglar Alert Security Door Sensor
$32.95 Save $11.00 RRP: $43.95
90db Wireless Security Alarm Door Window Sensor Magnetic Opening Sensor Enhanced 10Pcs
$18.95
Door Alarm, Wireless Door Window Contact Sensor For Kids Safety(4 Pcs, White)
$79.00
Temperature Humidity Sensor Intelligent Linkage Wireless for TUYA ZigBee Audio Control for Google Home
$24.95 Save $7.00 RRP: $31.95
LED Indicator Smart 120db Automatic Power Cut Failure Outage Alarm Warning Siren
$18.95 Save $6.00 RRP: $24.95