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Security System Sensors

Shop the best prices on 10,943 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Other and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1,121 - 1,152 of 3,200
5 Pairs MC38 Wired Door Window Magnetic Sensor Normally Closed Security Alarm Contact Switch for Home
$20.95 Save $11.00 RRP: $31.95
Door Sensor Alarm with Sensitivity Detection, Easy Install Window Alarm System for Home Security
$20.95 Save $11.00 RRP: $31.95
ABS MC38 Wired Door Window Sensor Magnetic Security Switch for Home Alarm System 1 Pair
$20.95 Save $11.00 RRP: $31.95
Door Window Alarm with 120dB Loud Magnetic Sensor, Easy Install Security for Home Apartment
$33.95 Save $17.00 RRP: $50.95
Wireless Door Window Alarm with Instant Intrusion Alert for Home Security Protection and Easy Installation
$20.95 Save $11.00 RRP: $31.95
Fridge and Freezer Door Alarm with Smart Sensor, Adjustable Voice Alert, Energy Saving, Easy Install
$21.95 Save $11.00 RRP: $32.95
RC36 NC Recessed Door Contact Sensor Magnetic Reed Switch for Metal Doors Alarm Black 5pcs
$20.95 Save $11.00 RRP: $31.95
Wireless Door Window Alarm Sensor with Magnetic Detector for Home Security and Instant Notification
$21.95 Save $11.00 RRP: $32.95
Door Window Security Alarm 130dB Loud Adjustable Volume 5 Modes Wireless Sensor with Remote Control for Home Safety Kids and Elderly
$27.95 Save $14.00 RRP: $41.95
6 Pack WiFi Door Sensor Smart Window Alarm with Instant Alerts Alexa Google Tuya Compatible
$89.00 Save $40.00 RRP: $129.00
Wireless Window Alarm Sensor with Sensitivity Detection and Indoor Motion Detector for Home Security
$24.95 Save $12.00 RRP: $36.95
Door Contact Sensor Pack of 10, Wired Magnetic Reed Switch for Wooden Doors, Hidden Recessed Mount
$49.95 Save $24.05 RRP: $74.00
Power Outage Alarm 120dB Loud Siren with LED Indicator for Home Office 220V Power Failure Alert
$20.95 Save $11.00 RRP: $31.95
Wired Glass Break Sensor for Windows and Doors with AntiTamper Alarm, Ceiling or Wall Mount
$25.95 Save $14.00 RRP: $39.95
Glass Break Sensor Wired Window Glass Break Detector for Alarm System Sensitivity
$20.95 Save $11.00 RRP: $31.95
Wireless Door and Window Alarm Sensor with Loud Alert, Easy Adhesive Mount, Battery Operated
$20.95 Save $11.00 RRP: $31.95
WiFi Door Sensor with RealTime Alert, Wireless Magnetic Window Sensor for Home Security
$25.95 Save $13.00 RRP: $38.95
Door and Window Alarm Sensor Magnetic Easy Install for Home Office Security Child Safety
$20.95 Save $11.00 RRP: $31.95
ABS MC38 Wired Door Window Sensor Magnetic Security Switch for Home Alarm System 1 Pair
$20.95 Save $11.00 RRP: $31.95
Door Window Alarm with Instant Theft Alert Easy Install Sensor for Home Apartment Office Security
$20.95 Save $11.00 RRP: $31.95
Door Contact Sensor Pack of 10, Wired Magnetic Reed Switch for Wooden Doors, Hidden Recessed Mount
$49.95 Save $24.05 RRP: $74.00
MC38 Wired Door Window Magnetic Sensor NC NO for Home Security Alarm with Easy DIY Installation
$20.95 Save $11.00 RRP: $31.95
WiFi Door Sensor with RealTime Monitoring, Wireless Magnetic Window Contact for Smart Home Security
$25.95 Save $13.00 RRP: $38.95
Wireless Door Window Alarm Sensor with Sensitivity Magnetic Reed for Home Office and
$20.95 Save $11.00 RRP: $31.95
Trip Wire Reel 85FT SiliconeCoated for Early Warning Perimeter Security and Camping 2 Pack
$59.00 Save $30.00 RRP: $89.00
Door and Window Alarm with 120dB Chime, Magnetic Sensor for Kids Safety and Home Security
$20.95 Save $11.00 RRP: $31.95
Wireless Door Window Alarm Sensor with Magnetic Detector for Home Security and Instant Notification
$21.95 Save $11.00 RRP: $32.95
Garage Door Sensor Wired Magnetic Contact Switch RustResistant Alloy for Security Systems
$20.95 Save $11.00 RRP: $31.95
RC33 NC Recessed Wired Security Door Contact Sensor Magnetic Window Alarm Switch Brown
$20.95 Save $11.00 RRP: $31.95
WiFi Door Sensor Alarm 2 Pack, 90dB Smart Door Alert with App Notifications, Works with Alexa and Google Home
$47.95 Save $26.05 RRP: $74.00
Wireless Door Window Security Alarm with Magnetic Sensor, Instant Alert, Easy Adhesive Installation
$20.95 Save $11.00 RRP: $31.95
Wireless Door and Window Alarm Sensor with Sensitivity Magnetic Alert for Reliable Home Security
$20.95 Save $11.00 RRP: $31.95