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Shop the best prices on 11,369 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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1,889 - 1,920 of 3,200
PIR Motion Detector Ceiling Surface Mount 360 Max 1200W
$31.95
WIFI PIR Motion Detector Wireless Passive Infrared Detector Burglar Alarm Tuya APP Control Smart Home
$37.95
12V Dual Wire PIR Motion Detector, Infrared Sensor Alarm, Home Security System Alarm for Shop/House/Factory.
$29.95
Fake TV Simulator with Light Sensor - Home Security Device Imitates TV Activity to Deter Burglars When Away
$94.00 Save $45.00 RRP: $139.00
100m Digital Pulse IR Alarm Sensor, Dual Beam Infrared and Invisible Alarm Sensor.
$179.00 Save $110.00 RRP: $289.00
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
$13.95
Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door and Window Security Alarm Home
$13.95 Save $1.00 RRP: $14.95
Smart Motion Sensor,wifi Wireless Security Alarm,with Free Notification
$36.95 Save $17.05 RRP: $54.00
Door and Window Alarm, Wireless Door and Window Detectors with Remote Control and Batteries, Anti-Intrusion Anti-Theft Magnetic Sensor use in Home and unbrand
$22.95 Save $36.05 RRP: $59.00
Window Alarm Sensors, Door Al compatible Home Security,120 Db Pool Door Alarm compatible Kids Safety (8 Pack)_Special Gift
$79.00 Save $40.00 RRP: $119.00
Wireless Door Window Alarm 6-Pack with Magnetic Sensor for Home Security
$28.95
Tuya Zigbee Multifunctional Pressure Sensor Flexible Thin Film Pressure Sensor Smart Linkage Smart L
$47.95 Save $16.05 RRP: $64.00
2Pcs Smart WiFi Vibration Sensor Alarm Wireless Vibration Detector Alert Real-Time Activity & Shock
$25.95 Save $8.00 RRP: $33.95
Tuya Zigbee Temperature Humidity Sensor Hygrometer Thermometer Detector Smart Life Remote Control Su
$24.95 Save $7.00 RRP: $31.95
Wireless Magnetic Wave Signal Detector Bug Sweeper Listening Device Anti Spy Hidden Camera Detector
$229.00 Save $190.00 RRP: $419.00
T01 Hidden Camera Detectors Portable GPS/WIFI Signal Detector with 6 Levels Sensitivity Secret Devices Detector for Home Travel Hotels Car
$69.00 Save $60.00 RRP: $129.00
Tuya Intelligent Pressure Sensor for ZigBee Detection 400mm
$43.95
65/100/150/250mm Stainless Steel Float Switch Water Tank Level Sensor Double Ball Float Switch Tank Pool Flow Sensors
$44.95 Save $24.05 RRP: $69.00
2 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 Jske
$43.95 Save $6.00 RRP: $49.95
Plastic Water Flow Switch Vertical/Horizontal , For Water Magnetic Sensor AC 220V
$40.95 Save $23.05 RRP: $64.00
WSD500C Tuya Zigbee Temperature Humidity Sensor Abnormal Alarm for Home Office
$39.95 Save $49.05 RRP: $89.00
Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door Window Sensor Transducer Smart Life Home(4PCS)
$31.95
Burglar Alarm for Doors and Window 120dB High Decibel Salarm Sensor Battery Powered Detector Door Ma Cs
$30.95 Save $53.05 RRP: $84.00
Door Anti Burglar Protection Kit 911770 Door Security Device Replacement for Peugeot Boxer
$25.95 Save $26.00 RRP: $51.95
DY-SQ100B Water Leakage Detector with Two Sensors Generic1
$36.95 Save $11.00 RRP: $47.95
Smart Door & Window Sensor: Real-Time Alerts, Magnetic Detector for Home Security
$46.95
Door And Window Alarm, 130db Wireless Door And Window Detectors With Remote Control And Batteries, Anti-intrusion Anti-theft Magnetic Sensor For Home
$12.95 Save $12.00 RRP: $24.95
Smart Door Window Detector Wireless Security Alarm Door Door Open Contact Sensor for Home Office
$23.95 Save $29.00 RRP: $52.95
Tuya ZigBee Smart Door Window Open/closed Detector Sensor Smart Home Security Alarm
$29.95 Save $6.00 RRP: $35.95
Wireless Door and Window Sensor - Home Security Alarm for Doors, Windows, and More
$35.95
Wireless Home Alarm Kit, Wifi Door Window Sensor, Smart Door Status Detection, Phone Notification, Work With Smart Life App
$14.95 Save $7.00 RRP: $21.95
Wireless Door Open Sensor Alarm Chime, Adjustable Volume With Mute Indicators
$59.00 Save $25.00 RRP: $84.00