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Shop the best prices on 3,909 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 3,909
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
Garage Door Bracket for Ring Alarm Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Securi
$10.95 Save $6.00 RRP: $16.95
Tuya Zigbee Solar Light Sensor IP65 Waterproof Outdoor Brightness Detector with Real Time Luminance
$32.95 Save $9.00 RRP: $41.95
3pcs 433MHz Wireless Vibration Glass Break Detector, Adjustable Sensitivity, Compatible with Alarm Systems Black
$18.95 Save $10.00 RRP: $28.95
Zigbee Smart Door Window Sensor Wireless Mini Alarm Sensor for Mi Home
$13.95 Save $38.00 RRP: $51.95
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 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
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
Motion Detector Alarm, Siren Infrared Motion Detectors-Sensor Wireless Alarm PIR Motion Detector Set
$28.95 Save $8.00 RRP: $36.95
Door Window Alarm, 2 Pack 130Db Vibration Alarm Sensor Door Window Security Open Alarms, Black Silver Tone
$24.95 Save $6.00 RRP: $30.95
10pcs Magnetic Reed Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced Home Safety A unbrand
$18.95
Wireless Outdoor Door Window Magnetic Alarm Sensor Waterproof Monitor Burglar Anti Theft Alarm Home Security
$30.95 Save $14.00 RRP: $44.95
Tuya Door Magnetic Alarm, Anti-Theft Alarm, WIFI APP Door Magnetic Opening Reminder Remote Alarm unbrand
$13.95
Smart WiFi Vibration Sensor Alarm Wireless Vibration Detector Alert Real-Time Activity & Shock Detection Black unbrand
$16.95
Photocell Infrared Sensor Detector for Automatic Gate Obstacle Detector Anti-Theft Alarm System unbrand
$16.95
Tuya Smart Life WiFi Door Exit Button Voice Control Remotely Door-Opening Wireless Release Push Switch for Door Lock unbrand
$21.95
Garage Door Magnetic Curtain Door Sensor with 5m Wired Magnetic Detector for Garage Door Opener Accessories unbrand
$9.95
10 Sets 433MHz Wireless Magnetic Door Window Sensors for Enhanced Home Security Compatible with Home Burglar Systems unbrand
$38.95
WiFi Smart Zigbee Temperature and Humidity Sensor LCD Screen History Record Smart Home Security Remote Control unbrand
$19.95
Tuya ZigBee Smart Door and Window Sensor Burglar Magnetic Sensor with Scene Interaction Button APP Remote Control
$20.95 Save $10.00 RRP: $30.95
Door Open Alarm Smart Door Window Sensor Smart Home Door Detectors Door and Window Burglar Alarms unbrand
$12.95
1/4 Inch Ring Alarm Magnet Riser,5 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magnet Not Included unbrand
$16.95
Zigbee Temperature and Humidity Sensor Mini Temperature Humidity Detector with for EWelink App Control unbrand
$12.95
Tuya WIFI Smart Door Window Magnetic Sensor Security Alarm Open Closed Detector Home for Anti-Theft
$16.95 Save $7.00 RRP: $23.95
Smart ZigBee 3.0 Vibration Sensor Monitor Home Security Protection Motion Shock Home Outdoor Wireles
$21.95 Save $10.00 RRP: $31.95
ZigBee Temperature Sensor Alarm Digital Ambient Thermometer Tuya Smart Life App Remote Control Home
$64.00 Save $25.00 RRP: $89.00
USB Sensor Bar Wired Infrared Ray Sensor Bar Repair for Wii Game Console
$28.95 Save $14.00 RRP: $42.95
Set of 25 Rivet Nuts Inserts for Door Alarm Sensors, 2.90X1.60X1.60CM, Compatible with Garage Door Expansion Nut Systems
$39.95 Save $19.05 RRP: $59.00
Wireless Door Window Alarm with Magnetic Contact Sensor for Remote Home Isolation Monitoring White
$39.95 Save $19.05 RRP: $59.00