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Security System Sensors

Shop the best prices on 5,748 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ebox, Nedis and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1,345 - 1,376 of 3,200
Détecteur de caméra à interface USB, 10 lumières infrarouges, localisateur GPS, analyseur de signal RF, 5 V
$18.95 Save $5.00 RRP: $23.95
WiFi Door Alarm Window Sensor Detector Smart Home Security Alarm for Tuya for SmartLife App Control
$27.95 Save $8.00 RRP: $35.95
Tuya Intelligent Pressure Sensor for ZigBee Detection 400mm
$43.95
Versatilitys Sound Monitor Built In Microphone Suitable for Multiple Environment Home Office Shop Security Monitoring Multicolor
$18.95
Stylish & Practical Door Handle Effective Iron Gate Magnetic Sensor Homes & Office Door Window Alarm Simple Installation
$36.95
Reliable Magnetic Alarm Versatile Door Window Intrusion Alarm Convenient Handle for Outdoor Doors No Drilling Required Multicolor
$39.95
Stylish & Practical Door Handle Effective Iron Gate Magnetic Sensor Homes & Office Door Window Alarm Simple Installation Multicolor
$40.95
Stylish & Practical Door Handle Effective Iron Gate Magnetic Sensor Homes & Office Door Window Alarm Simple Installation Multicolor
$39.95
Robust Burglar Alarm for Doors & Windows Magnetic Alarm Sensor Plastic for Iron Gate & Doors Protect Your Premises
$36.95
Battery Operated Door Sensor Alarm Magnetic Transmitter Replacement Easy Installation for House Shop Office Garage Multicolor
$26.95
Robust Burglar Alarm for Doors & Windows Magnetic Alarm Sensor Plastic for Iron Gate & Doors Protect Your Premises
$36.95
1 set Magnetic Door Sensor Alarm High-Security Door Window Alarm Plastic Suitable for Residential & Commercial Use
$36.95
Home Security Magnetic Sensor Door Window Sensor Detector Door Window Antitheft Alarm Surface-Mount Strong Concealments
$21.95
Air Quality Climate Sensor 5QJ907643 Designed for Better Airflows In Extreme Weather Real Time Monitoring Inside Vehicle
$40.95
Home Security Magnetic Sensor Door Window Sensor Detector Door Window Antitheft Alarm Surface-Mount Strong Concealments
$22.95
Door And Window Security Alarms Wireless Magnetic Sensors Suitable For Home Apartment Family Protective And Child Safety
$49.95
3In1 Air Quality Analyzers CO Temperature Humidity Data Display Rechargeable Alarm Sensors for Outdoor Camping Travel Orange
$104.00
Door Contact Sensor Pack of 10, Wired Magnetic Reed Switch for Wooden Doors, Hidden Recessed Mount
$49.95 Save $24.05 RRP: $74.00
Magnetic Door Contact Sensor NC Reed Switch for Garage Gate Security, Zinc Alloy, 40mm Gap
$20.95 Save $11.00 RRP: $31.95
Power Outage Alarm 120dB Loud Siren with LED Indicator for Home Office 220V Power Failure Alert
$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
4Pack WiFi Smart Door and Window Sensor, Instant Alerts, Alexa Google Compatible, Long Battery Life
$69.00 Save $30.00 RRP: $99.00
Wireless Door Window Alarm Sensor with Magnetic Detector for Home Security and Instant Notification
$21.95 Save $11.00 RRP: $32.95
MC38 Wired Door Window Sensor Magnetic Switch for Home Alarm Security with Extended 30mm Wire
$20.95 Save $11.00 RRP: $31.95
Wireless Window Alarm Sensor with Sensitivity Detection and Indoor Motion Detector for Home Security
$23.95 Save $12.00 RRP: $35.95
Door Window Alarm Sensor 12V Wired Magnetic Contact Switch for Home Garage Security Aluminum Alloy
$27.95 Save $14.00 RRP: $41.95
Wireless Door Alarm with 2 Remotes, 130dB Loud Magnetic Sensor, 5 Modes Light and Sound for Home
$25.95 Save $13.00 RRP: $38.95
RC36 NC Recessed Door Contact Sensor Magnetic Reed Switch for Metal Doors Alarm Black 5pcs
$20.95 Save $11.00 RRP: $31.95
Door and Window Alarm with 120dB Chime, Magnetic Sensor for Kids Safety and Home Security
$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 $13.00 RRP: $38.95
Door and Window Alarm with 120dB Chime, Magnetic Sensor for Kids Safety and Home Security
$20.95 Save $11.00 RRP: $31.95
Glass Break Sensor Wired Window Glass Break Detector for Alarm System Sensitivity
$20.95 Save $11.00 RRP: $31.95