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Security System Sensors

Shop the best prices on 11,206 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Gze and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1,793 - 1,824 of 3,200
Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack)
From $79.00
12/24v Photocell Sensor Beam For Sliding Gate Opener Infrared Safety Photo Cell
From $23.95
12V PC Fan Temperature Control PWM Speed Controller Module Alarm Buzzer Sensor with Alarm
From $14.95
Wireless Outdoor Door Window Magnetic Alarm Sensor, Waterproof Home Security Burglar Anti-Theft Monitor
From $24.95
Burglar IR Alarm Sensor Infrared Beam Detector for Alarm System
From $24.95
Wired Metal Door Window Magnetic Contact Sensor Detector Switch Alarm Home unbrand
From $74.00
Wireless Door Window Alarm Sensor 108 DB High Decibel Anti Theft Security System Easy Installation for Home Cabinet Protection
From $11.95
Glass Break Detectors, Window Alarm With 125 Db Alarm, Glass Vibration Sensor Alarm(2 Pcs) Banban
From $47.95
Tuya WiFi Smart Door Sensor Wireless Magnetic Door Window Open Closed Detectors Automation-syb
From $33.95
Light Curtain Sensor Switch Safety Light Grating Security Device(6 Beams BEM0640-C-200NB)
From $79.00
Sensor for Pressure Flexible Thin Film Smart Life APP Length 40cm
From $45.95
Garage Door Bracket for Ring Alarm Contact Sensor 2nd Gen, Compatible for Ring Accessory (1Pack, Sensor Not Included)
From $9.95
Passage alarm/shop doorbell radio system with motion/access detector 38 ringtones Up to 100 m range, white
From $54.00
Door Sensor Alarms Home Security Anti Theft Burglar Door Window Entry Open Sensor Alarms for Home Apartment
From $13.95
WiFi Digital Thermometer with Freezer Alert for Home Monitoring
From $64.00
Wireless Door Window Alarm for Home Security, Anti-Theft Sensor, Pool & Child Safety (2 Pack)
From $109.00
M8 Commercial Wireless Door Magnet Sensor Chime with 2 Transmitters & 2 Receivers for Visitor Alert
From $48.95
Yvan Wired Magnetic Door & Window Sensor - Wide Gap Security Alarm Detector - Metal Alloy, Silver, Universal Fit - Reliable Home & Garage Protection
From $30.95
2pcs Automatic Infrared Beam Detector Alarm Sensor, IR Door Light for Burglar Alarm System
From $74.00
Motion Detector Garage Driveway Wireless Alert Secure System Alarm Doorbell White
From $69.00
Tuya ZigBee Wall Emergency Button APP Smart Home Sensor 8x6 Intelligent Remote Alarm
From $31.95
2025 Wifi Smart Door Window Sensor Alarm Detector Security Alexa Google
From $11.95
2025 TUYA Zigbee Door Window Sensor Open Smart Security Alarms Compatible W/ Alexa
From $9.95
2025 Wireless Smart Wi-Fi Door and Window Contact Sensors for Home Security
From $59.00
12V Waterproof IR Photocell Sensor for Automatic Gate Door Barrier System 2025
From $23.95
SONOFF DW2 Wifi Wireless Door Window Sensor Open/Closed Detectors e-WeLink APP 2025
From $17.95
ZigBee NEO 90DB Sound and Light Sensor Tuya Smart Life Built-in Siren 2025
From $18.95
Glass Break Detector, Window Alarm With 125db Alarm, Glass Vibration Sensor Alarm For Your Home, Office (2 Pieces) 2025
From $35.95
12V PC Fan Temperature Control PWM Speed Controller Module Alarm Buzzer Sensor with Alarm 2025
From $11.95
ZigBee NEO 90DB Sound and Light Sensor Tuya Smart Life Built-in Siren SZRH A-R3424 2025
From $34.95
Tuya WiFi Temperature Humidity Sensor Thermometer Hygrometer Smart Home Security Alarm For Smart Life Alexa Google Assistant
From $64.00
Tuya WiFiZigBee Smart Door Window Sensor Smart Home Wireless Door Detector
From $8.95