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Security System Sensors

Shop the best prices on 11,691 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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2,241 - 2,272 of 3,200
Tuya Zigbee 3.0 Door Window Magnetic Sensor Smart Home Wireless Door Open Closed
$42.95 Save $9.00 RRP: $51.95
SONOFF DW2 WiFi/ DW2-RF Smart Door Window Sensor Door Open/Closed Detectors
$41.95 Save $8.00 RRP: $49.95
NEW Tuya Door Sensor Wifi Window Shatter Sensor Door Window Magnetic/shock Detector
$45.95 Save $8.05 RRP: $54.00
Tuya ZigBee Smart Door Window Open/closed Detector Sensor Smart Home Security Alarm
$28.95 Save $6.00 RRP: $34.95
Surface Mount Wired Nc Door Contact Sensor Alarm For Door Window Cabinets 10pcs
$37.95 Save $16.05 RRP: $54.00
Burglar Alarm for Doors and Window 120dB High Decibel Salarm Sensor
$8.95 Save $4.00 RRP: $12.95
2Pcs Tuya Zigbee Smart Siren Alarm Temperature Humidity Sensor Home Security with Strobe Alerts Works With TUYA Smart Hub 2025
$74.00 Save $75.00 RRP: $149.00
ZigBee NEO 90DB Sound Light Sensor Tuya Smart Life Built-in Siren Alarm Sensor Smart Home Security Systems for Alexa Google Home 2025
$40.95 Save $43.05 RRP: $84.00
Magnetic Contact Switch, Contact for Window Magnetic Switch for Wired Sensor Detector for Security Alarms in the Home Garage
$27.95 Save $16.00 RRP: $43.95
Tuya Smart WiFi Door Sensor - Window/Door Detector with App Alerts for Alexa & Google
$159.00 Save $20.00 RRP: $179.00
26-27 Tuya WiFi Temperature Humidity Sensor Thermometer Hygrometer Smart Home Security Alarm For Smart Life
$17.95 Save $18.00 RRP: $35.95
Wifi Temperature Sensor Tuya Thermometer Detector Digital Display Home Smart Life App Alert Freezer 26-27s
$99.00 Save $100.00 RRP: $199.00
26-27 Tuya Zigbee Vibration Sensor Motion Shock Sensor Detection Alarm Monitor Smart Home Real-Time Alarm Push
$46.95 Save $47.05 RRP: $94.00
2026 WiFi Smart Door Sensor Window Door Open Closed Detectors Smart Home
$13.95 Save $14.00 RRP: $27.95
Zigbee Smart Rain Sensor for Outdoor Wireless Rain Detection Waterproof, Zigbee Hub Required,Linka 2025
$20.95 Save $20.00 RRP: $40.95
Tuya Smart WiFi Door Sensor Window Sensor Door Magnetic Alarm Detector 2025
$21.95 Save $21.00 RRP: $42.95
WiFi Door Sensor Smart Window Alarm with Instant Alerts and App Control for Home Security Black 1Pack
$20.95 Save $10.00 RRP: $30.95
2pcs Magnetic Reed Switch Normally Open Closed Magnetic Contact Switch for Door Wall
$15.95 Save $5.00 RRP: $20.95
Tuya WiFi Smart Door Window Sensor Home Indoor Magnetic Detector Compatible with Certain Brands
$17.95
Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless Fridge Alarm, 4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db
$32.95
TuyaWifi SOS Emergency Panic Button for Elderly Alarm Sensor Home Burglar Alarm Falling Detector Security Alarm System A
$25.95 Save $15.00 RRP: $40.95
Sonoff Dw2-wifi Wireless Security Window Door Sensor Home Sercurity Alarm Work With Ewelink App Support Sonoff Devices Ifttt
$84.00 Save $65.00 RRP: $149.00
Freezer Door Alarm When Left Open, Safety Window Alarm, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-in-1 Door Sensor Chime Door Open
$20.95 Save $31.00 RRP: $51.95
Door and window alarm safety magnetic sensor
$34.95 Save $17.00 RRP: $51.95
WiFi Door Window Sensor with App Alerts for Home Security and Kid Safety, Easy Install 1 Pack
$22.95 Save $11.00 RRP: $33.95
Anti-Theft Doorbell Bracket for Easy Installation, No Sensor Blockage, Compatible with Most Models, Durable Material
$94.00 Save $55.00 RRP: $149.00
Fridge Door Alarm: For Fridge Or Freezer Doors, Adjustable Voice Warnings, Window Sensor, Door Lock Reminder
$28.95 Save $14.00 RRP: $42.95
Output Button Switch For Access Control System Door Exit Button With Touch Trigger Sensor Switch Door Frame Compatible
$38.95 Save $20.05 RRP: $59.00
Zigbee Smart Vibration Sensor Smart Life App Notification Real Time Motion And Vibration Alarm For Smart Home
$34.95 Save $18.00 RRP: $52.95
Vibration Sensor Module 10 Pack Long Lasting Triggers For Relay Modules In Security Devices Clean Output Signals
$20.95 Save $10.00 RRP: $30.95
8PCS Foot Sensing Strip Sensor Game Console Hand Bar Dance Machine Hand Dance Foot Switch Dance Machine Sensor Strip
$51.95
Door Window Sensor Quick Response Data Storage Voice Operation Red LED Door Alarm
$28.95 Save $16.00 RRP: $44.95