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Security System Sensors

Shop the best prices on 7,582 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Other, Woosien and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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33 - 64 of 7,582
5pcs Micro2 Fuse Tap Add-a-circuit Blade Atr Mini Fuse Holder 15a Fuse Hfmqv
$21.95 Save $6.00 RRP: $27.95
Vibration Alarm Sensors 120dB Ultra-Slim Detector Anti-Theft Burglar Alarm for Home Window Door Bike Bag Security Black
$13.95
Tuya Zigbee Smart Vibration sensor Tilt detector Home security protection Smart Life App Realtime monitoring alarm
$209.00 Save $60.00 RRP: $269.00
2 Sets Magnetic Reed Switch Aluminum Alloy AC220V NC Surfaces Mount Wired Door Window Sensor for Hom
$30.95 Save $9.00 RRP: $39.95
Thermocouple Tilt Switch Safety Sensor 4.5x5.5cm ABS 71g
$14.95 Save $7.00 RRP: $21.95
Tuya Zigbee Smart Temperature and Humidity Sensor
$21.95
Mengshen 2-pack magnetic door window alarms with 110dB alert for home security and DIY installation
$64.00 Save $15.00 RRP: $79.00
Beam Photocell,Betterlife 12/24V Photocell Probe Beam for Sliding Gate Opener
$59.00 Save $30.00 RRP: $89.00
Beam Photocell,Betterlife 12/24V Photocell Probe Beam for Sliding Gate Opener
$59.00 Save $30.00 RRP: $89.00
Beam Photocell,Betterlife 12/24V Photocell Probe Beam for Sliding Gate Opener
$59.00 Save $30.00 RRP: $89.00
4-Piece Door and Window Alarm Set, Magnetic Burglar Alarm Sensor, Siren for Child Safety,
$54.00 Save $25.00 RRP: $79.00
Aqara Smart Natural Gas Detector Zigbee Gas Leak Alarm Intelligent Linkage Smart Home Security
$89.00 Save $110.00 RRP: $199.00
TV Simulator with AC Adapter, Anti-Burglar Theft Deterrent Home Security Timer & Sensor, EU Plug
$21.95 Save $22.00 RRP: $43.95
2025 Latest Model WiFi Door Alarm Window Sensor Detector Smart Home Security Tuya SmartLif
$89.00 Save $80.00 RRP: $169.00
2025 Latest Model Door Open Detection Alarm Door & Window Sensor Simple Use Door
$18.95 Save $12.00 RRP: $30.95
Magnetic Clothing Hard Tag Remove Security Detacher
$8.95 Save $4.00 RRP: $12.95
Magnetic Remover Clothing Hard Tag Remove - Security Tag Detacher for Easy Tag Removal New
$23.95
Magnetic Clothing Hard Tag Remove Security Detacher
$34.95
Zigbee Temperature and Humidity Sensor Mini Temperature Humidity Detector with for App Control
$14.95
Tuya WiFi Smart Home Burglar Alarm Sensor Infrared Motion Detector PIR Sensor Security Protection R
$29.95 Save $4.00 RRP: $33.95
Door Magnetic Contacts Switch Sensor Anti Theft Universal Strong Magnetic Door Magnetic Contact Switch for Door
$35.95 Save $10.00 RRP: $45.95
Tuya Matter Thread Door Window Sensor Usb Powered Smart Home Wireless Detector Work With Alexa Home
$20.95
Wired Metal Door Window Magnetic Contact Sensor Detector Switch Alarm Home Garage Security Kit
$15.95 Save $38.05 RRP: $54.00
Door Alarm Sensor Wireless Burglary Remote Control Door Window Alarms
$39.95
Tuya ZigBee Smart Door Sensor Door Open Closed Detectors Smart Home Security Protection
$36.95 Save $7.00 RRP: $43.95
Magnetic Door Sensor 868.4mhz Eu Window Sensor Z-wave Plus Contact Sensor Smart Home
$54.00 Save $15.00 RRP: $69.00
Freezer Door Alarm, Wireless Fridge Alarm with Adjustable Delay, 4-in-1 Sensor Chime, 2 Pcs
$54.00 Save $5.00 RRP: $59.00
Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Window Alarm
$16.95 Save $6.00 RRP: $22.95
Single Beam Infrared Radiation Sensor-external Positioning Alarm Detector
$32.95
8PCS Foot Sensing Strip Sensor Game Console Hand Bar Dance Machine Hand Dance Foot Switch Dance Machine Sensor Strip
$54.00
Security alarm for wild boar and animal repellent
$23.95 Save $45.05 RRP: $69.00
Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Security
$14.95 Save $16.00 RRP: $30.95