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Shop the best prices on 11,781 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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3,105 - 3,136 of 3,200
2PCS 2 in 1 Tuya Zigbee 3.0 PIR Motion Detector Security Anti-Theft
$39.95 Save $49.05 RRP: $89.00
12V DYP-2HD01 Vibration Sensor for Security Detecting
$18.95 Save $23.00 RRP: $41.95
Smart Tuya WiFi Zigbee Window And Door Sensor Door Open / Closed Detectors Home Security Alarm System With Via Alexa Google Home
$28.95 Save $6.00 RRP: $34.95
SONOFF SNZB-02D 2.5 inch LCD Smart Sensor Real-Time Monitoring Linkage
$69.00
MC-38 Wired Door Window Sensor Wire Magnetic Switch Home Alarm System N.C Type Multicolor
$14.95
SW420 Precise Vibration Activated Switches Energy Efficient and Seamlessly Integration for Automation Security Systems Multicolor
$15.95
Door and Window Alarm Multi-Functional Anti-Theft Alarm Wireless Remote Control Door Sensor Alarm 130DB Door Sensor Walk 3843 B
$44.95 Save $24.05 RRP: $69.00
Magnetic Wireless Door And Window Open Detector Alarms Contact Sensors For Comprehensive Home Security Easy Installation
$25.95
10pcs Magnetic Reed Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced Home Safety B
$7.95 Save $4.00 RRP: $11.95
Wireless Signal Camera Detector Bug Detector GPS Detector Camera Finder Scanner Compatible With Home Office Hotel
$74.00 Save $65.00 RRP: $139.00
Surface Mount Wired Normally Closed Door Contact Sensor for Door Window Cabinets (10pcs)
$22.95 Save $41.05 RRP: $64.00
433 Wireless Door Sensor Detector, Home Window Cabinet Switch Status Monitoring, Anti-Theft Use, With The Host
$51.95 Save $57.05 RRP: $109.00
Door & Window Alarms & Sensors, Defective Rate Low for Export
$47.95 Save $61.05 RRP: $109.00
Door Window Sensor Quick Response Data Storage Voice Operation Red LED Door Alarm
$51.95 Save $52.05 RRP: $104.00
Capacitive touch switch digital touch sensor module 8-channel, digital function
$31.95 Save $16.00 RRP: $47.95
Smart Home Zigbee Solar Rain Sensor Wireless App Control Real-Time Rain Detection for Garden Automat
$37.95 Save $51.05 RRP: $89.00
Magnetic Remover Clothing Hard Tag Remove/security Tag Detacher,supermarket Buckle Remover Unbutton Magnetic Buckle Nail Remover Needle Remover Unlock
$41.95 Save $47.05 RRP: $89.00
Door/window 2 Wifi Operated Door Window 2 Sensor Detects And Reports The Opening And Closing Tilt A
$11.95 Save $42.05 RRP: $54.00
10pcs Surface Mount NC Door Contact Sensor Alarm for Door Window Cabinet
$16.95 Save $42.05 RRP: $59.00
10pcs Magnetic Reed Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced Home Safety B
$6.95 Save $3.00 RRP: $9.95
WiFi Door Window Sensor APP and Voice Control Smart Door Magnetic Alarm Detector for Home Security
$23.95 Save $8.00 RRP: $31.95
Tv Simulator With Ac Adaptor Antiburglar And Theft Deterrent Home Security Timer And Sensor,eu Pl
$27.95 Save $26.05 RRP: $54.00
Door and Window Sensors, WiFi Door Alarm Remote Control, Sends Alerts, Entry Burglar, Triggers Siren, Magnetic Door Alarm1set, white)
$44.95 Save $24.05 RRP: $69.00
High quality Signal detection pen anti-sneak peek hotel camera detector
$119.00 Save $170.00 RRP: $289.00
Smart Wifi Door Window Sensor Magnetic Detector Home Security Alarm Voice Control for Google Home
$27.95 Save $8.00 RRP: $35.95
Door Magnetic Contacts Switch Sensor Anti Theft Universal Strong Magnetic Door Magnetic Contact Swit
$30.95 Save $9.00 RRP: $39.95
Light Curtain Sensor Switch Safety Light Grating Security Device(6 Beams BEM0640-C-200NB)
$104.00 Save $35.00 RRP: $139.00
3x Tuya Wifi Temperature and Humidity Sensor for Indoor Use, Smart Home Monitoring
$44.95 Save $84.05 RRP: $129.00
Ewelink ZigBee Smart Window Door Sensor/Temperature Sensor/Human Motion Sensor Smart
$41.95 Save $10.00 RRP: $51.95
Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds, 4 In 1 Door Sensor
$16.95 Save $17.00 RRP: $33.95
f 100m Sensor Alarm Dual Beam Photoelectric Infrared Detector for Home Security,Black
$64.00
5pcs Recessed Magnetic Window Door Contacts Alarm Security Reed Switch White
$20.95