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Security System Sensors

Shop the best prices on 11,319 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Woosien and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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2,753 - 2,784 of 3,200
yougangmagnetic Remover Clothing Hard Tag Remove/security Tag Detacher
$37.95 Save $26.05 RRP: $64.00
Gps Tracking Detector 4 Levels Sensitivity Bug Detectors Anti-positioning Listening Device Finder For Hotels Travel Office Car
$64.00 Save $30.00 RRP: $94.00
433MHz Door Magnetic Contact Wireless Sensor Detector Switch for Home Garage Alarm Security
$17.95 Save $5.00 RRP: $22.95
Door Window Sensor Quick Response Data Storage Voice Operation Red LED Door Alarm
$26.95 Save $8.00 RRP: $34.95
2Pcs Single Infrared Beam Sensor IP55 Protection Automatic Infrared Photocell Sensor Alarm for Gate
$25.95 Save $7.00 RRP: $32.95
Invisible Beam Barrier Active Detection Digital Pulse Infrared Sensor 100m IR Alarm
$69.00 Save $25.00 RRP: $94.00
2025 Tuya Wifi Temperature Thermometer Humidity Hygrometer Detector Alarm Sensor Smart Life App Home The
$119.00 Save $120.00 RRP: $239.00
2025 TUYA Zigbee Door Window Sensor Open Smart Security Alarms Compatible W/ Alexa
$10.95 Save $10.00 RRP: $20.95
TUYA Zigbee Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor Smart Home 2M
$16.95
2025 Wireless Smart Wi-Fi Door and Window Contact Sensors for Home Security
$59.00 Save $60.00 RRP: $119.00
WIFI TUYA Smart Window Door Sensor Wireless Connection Door Detector Door Open / Closed Alarm- System
$12.95 Save $11.00 RRP: $23.95
Light Sensor DC 5V 12V USB Wire Day Auto-on Light Sensor Cable for Home Security and Lighting
$8.95 Save $8.00 RRP: $16.95
5 Pcs Mc-38 Wired Door Window Sensor Magnetic Switch For Home Alarm System,When Sensor Together,Normally Closed Nc
$9.95 Save $7.00 RRP: $16.95
Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door and Window Security Alarm Home Security
$10.95 Save $10.00 RRP: $20.95
433mhz Smart Home Wifi Door Sensor Alarm Window Open Closed Detectors Magnetic Switch
$10.95
Wireless Window Door Sensor with Magnetic Contact Switch, AC220V 2500W - Ideal for Security & Extractor Hoods
$47.95
Tuya ZigBee Smart Vibration Sensor: Real-Time Monitoring for Doors & Windows, Detection Alarm for Smart Security
$38.95
Tuya ZigBee Smart Vibration Sensor: Real-Time Door & Window Monitoring with Alarm for Enhanced Security
$43.95
Wireless Home Door Window Sensor Burglar Security Alarms System Opening Magnetic Door Sensor 130db Security Alarms B
$13.95 Save $31.00 RRP: $44.95
Magnetic Clothing Security Tag Remover - Hard Tag Detacher for Retail Stores
$32.95 Save $13.00 RRP: $45.95
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Burglar Alarm
$25.95 Save $26.00 RRP: $51.95
SONOFF SNZB-02D 2.5 inch LCD Smart Sensor Real-Time Monitoring Linkage
$69.00
For Gates Doors Windows External Positioning Alarm Detector Single Beam Infrared Radiation Sensor Barrier Against Hacking System
$27.95 Save $161.05 RRP: $189.00
Glass Break Alarm 125dB Window Vibration Detector Sensor Alarm 3 Pack Ultra-Slim Anti-Theft Alarm for Door and Window with Ajustment Sensitivity
$59.00
Glass Break Alarm 125dB Window Vibration Detector Sensor Alarm 3 Pack Ultra-Slim Anti-Theft Alarm for Door and Window with Ajustment Sensitivity
$64.00
Garage Door Bracket for Ring Alarm Contact Sensors (2nd Generation) - Easy Install Safety Accessory
$36.95
Refrigerator Freezer Door Alarm with 60-Second Alert, Adjustable Volume & Open Sensor
$45.95 Save $18.05 RRP: $64.00
Smart WiFi Light Sensor Light Detection Device Ambient Illuminance Monitor Adjustable Sensitivity Compact Design White Plastic Single Unit For Home Au
$20.95 Save $24.00 RRP: $44.95
4 - in - 1 Magnetic Door Alarm: For Doors, Windows, Refrigerators & Freezers, with Alarm and Induction Functions
$69.00 Save $15.00 RRP: $84.00
110-220V Magnetic Switches NC/NO Recessed Wire Window Door Contact Sensors Alarm Magnetic Switches for Home Security White
$26.95
NC/NO Recessed Window Door Magnetic Switches Wire Door Magnetic Switches for Office Home Security Burglar Alarm System White
$27.95
Tuya WiFi Vibration Sensor Door Window Glass Broken Detector Home Security Anti-Theft Smart Life APP Real-Time Alert A
$36.95 Save $6.00 RRP: $42.95