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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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1,153 - 1,184 of 3,200
Wireless Door and Window Alarm 6-Pack with Magnetic Sensor for Home Security
$28.95
m Wireless Digital RF Signal Detector High Sensitivity Camera GPS Tracking Tool with 6 Level LED
$74.00
Door And Window Anti-Theft Alarms, Door Sensors for Export
$36.95 Save $82.05 RRP: $119.00
1pack Smart Door Sensor Wifi, Wireless Door Window Detector Alarm, Smart Linkage Window Door Contac
$16.95 Save $42.05 RRP: $59.00
Tuya Wifi Zigbee Temperature Humidity Sensor, Thermometer and Hygrometer for Smart Home-JJ
$11.95 Save $35.00 RRP: $46.95
Vibration Sensor Door Handle Alarm-JJ
$51.95 Save $57.05 RRP: $109.00
Home Security Door Window Alarms & Sensors For Export-JJ
$49.95 Save $59.05 RRP: $109.00
Door Magnetic Alarm Wireless Door and Window Anti-Theft Alarm 10 Pcs
$42.95 Save $9.00 RRP: $51.95
SONOFF SNZB-02D 2.5 inch LCD Smart Sensor Real-Time Monitoring Linkage
$79.00
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alarm
$43.95 Save $85.05 RRP: $129.00
door handle alarm, door and window alarm touch sensor alarm door and window sensor, 120db touch sensor anti-theft
$34.95 Save $10.00 RRP: $44.95
Wireless Window Alarm 100dB Anti-Theft Magnetic Sensor Alarm
$25.95
Burglar Alarm,Smart Alarm with Wireless Remote Control,Waterproof Intelligent Vibration Sensor Alarm,Suitable for Bicycle/Motorcycle/Elect
$41.95 Save $42.05 RRP: $84.00
Door Alarm, Wireless Door Window Contact Sensor For Kids Safety 4 Pcs
$34.95 Save $34.05 RRP: $69.00
Tuya Matter Thread Door Window Sensor Usb Powered Smart Home Wireless Detector Work With Alexa Home
$28.95
Magnetic Door Window Contact Sensor Alarm Wired-Security Home Burglars Alarm NO/NC Magnetic Switchs Easy to Install
$21.95
24Pcs Door and Window Alarm Electronic Alarm Window Alarm Sensor Anti-Burglary Window Security Alar
$54.00 Save $15.00 RRP: $69.00
1 Set Touch Lamp Repair Kit 3 Way Touch Sensor Dimmer Control Module Replacement Sensor
$14.95 Save $69.05 RRP: $84.00
433MHz Wireless Magnetic Door Window Sensor Alarm for Home Security Entry System Anti Theft Detector
$9.95 Save $5.00 RRP: $14.95
Magnetic Door and Window Contact Sensor with NO/NC Switch for Easy Installation
$35.95 Save $68.05 RRP: $104.00
TV Simulator with AC Adaptor for UK Home Security, Anti-Burglary Timer and Sensor Deterrent
$35.95 Save $68.05 RRP: $104.00
suitable for Glass Break Detector, Window Alarm with 125dB Alarm, Glass Vibration Sensor Alarm for Your Home, Office (2 Pieces)-YI WU CHUN HUI
$29.95 Save $49.05 RRP: $79.00
Smart Wifi Door Window Sensor, Security Magnetic Sensor Closed Detector
$25.95
4vwin Fake Tv Simulator With Ac Adaptor Anti-burglar And Theft Deterrent Home Security Timer And Sensor (5v British Standard Plug Type)
$32.95 Save $96.05 RRP: $129.00
Capacitive touch switch digital touch sensor module 8-channel, digital function
$33.95 Save $14.00 RRP: $47.95
Graffiti Durable Convenient Smart Secure Reliable Smart Door Security Wireless Door Sensor Wireless Sensor Innovative 1 2
$54.00 Save $10.00 RRP: $64.00
2025 Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door And Window Security Alarm Home
$28.95 Save $30.05 RRP: $59.00
2025 Smart WiFi Door And Window Alarm Sensor, Realtime Smart Door Sensor Sound Alarm, Pool Alarm For Kids Safety, Detector Security Alarm
$17.95 Save $17.00 RRP: $34.95
2025 Itead SONOFF DW2 WiFi Smart Door Window Sensor Door Open/Closed Detectors
$179.00 Save $170.00 RRP: $349.00
Tuya Zigbee 3.0 Smart Door Sensor Door Open Closed Detectors Security Protection 26s
$23.95 Save $23.00 RRP: $46.95
Photoelectric Beam Reflector Square 2Pcs For Outdoor Environments 6.00X4.00X0.70CM Mirror Reflection Technology
$17.95 Save $13.00 RRP: $30.95
2025 4pcs Door and Window Alarm Magnetic Wireless Sensor for Home Security System Child Safety - Anti-Intrusion Anti-Theft Burglary Detectors 120dB Si
$44.95 Save $44.05 RRP: $89.00