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Shop the best prices on 5,897 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ebox, Nedis and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1,953 - 1,984 of 3,200
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
$28.95 Save $21.00 RRP: $49.95
DC12V Infrared Photocell Beam Sensor Automatic Gate Door Garage Shutter Barrier Detector for Door Wi
$23.95 Save $7.00 RRP: $30.95
Tuya WIFI Smart Door Window Magnetic Sensor Security Alarm Open Closed Detector Home for Anti-Theft
$17.95
Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Security
$16.95 Save $3.00 RRP: $19.95
Personal Security Window & Door Alarm Bell Wireless Sensor Door Window Burglar Alarm Magnetic Sensor Door Alarm Set
$17.95
5 Set Wireless Burglar Alarm Door and Window Magnetic Sensor Alarm
$12.95 Save $9.00 RRP: $21.95
4K Ultra HD Universe Galaxy LED Projection Light Atmosphere Light
$69.00 Save $50.00 RRP: $119.00
Wired Door Window Magnetic Security Alarm Contact Sensor Detector Reed Switch
$59.00 Save $25.00 RRP: $84.00
High Durability Magnetic Door Window Sensor - Wired NC Security Alarm for Home Safety
$47.95
Normally Closed Magnetic Window Door Safety Alarm Switch with Metal Housing Durable Security Sensor for Home Protection
$10.95 Save $5.00 RRP: $15.95
Wireless Mini Door Window Alarm 433Mhz Magnetic Sensor Home Security Anti-Theft Sound Easy Installation Low Voltage for Garage Apartment
$14.95 Save $8.00 RRP: $22.95
433MHz Door Magnetic Contact Switch Wireless Sensor Detector Switch for Home Garage Alarm Security
$21.95 Save $13.00 RRP: $34.95
2X SONOFF SNZB-04P Zigbee Door and Window Sensor Smart Scene Linkage Tamper Alarm Security Compatible with Alexa Google
$49.95 Save $29.05 RRP: $79.00
Wireless Door and Window Sensor App Notification Enabled Wireless Door Detectors for Enhancing Home Safety Monitoring
$59.00
Vibration Detectors Alarm 125dB High Decibel Sound Easy Setups No Wiring Required Anti Theft Protections System White
$31.95
Door Handle Alarm Safety Sensors With 120dB Siren Touch Vibration Detection Three Sensitivity Mode for Home Multicolor
$29.95
10pcs Magnetic Reed Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced Home Safety B
$18.95 Save $23.00 RRP: $41.95
Door Handle Alarm, 120db Door Alarm For Home Security, Door And Window Alarm, Door/window Sensor,batteries Not Included Touch Sensor Door Handle Alarm
$39.95
Pt Magnetic Remover Clothing Hard Tag Remove/security Tag Detacher
$50.95
Magnetic Clothing Hard Tag Remove Security Detacher
$32.95
Standalone 120DB Siren Sound Alert Door Window Sensor Alarm Chime for Kid Safety Store Home Apartment Garage Security Protection
$33.95 Save $35.05 RRP: $69.00
CoRui TUYA Bluetooth Cubetouch Smart Fingerbot for Automated Button Pressing and Switching
$69.00 Save $20.00 RRP: $89.00
3013 Ro Membrane Housing Replacement Fittings for Residential Home Household
$74.00 Save $25.00 RRP: $99.00
Wireless Door/window Sensor Enable Smart Linkage Between Wifi Devices For Via Ewelink App,5pcs GreenZech
$119.00 Save $200.00 RRP: $319.00
Wireless Water Leak Detector 433hz Water Sensor Smart Home Flood Alert Overflow Security Alarm System Work With Gsm Host
$64.00 Save $40.00 RRP: $104.00
Explosion Proof Door Magnetic Wired Switch Sensor Intrusion Alarm Perimeter Security Door Window Anti Theft Detector for Doors Drawers Safes Windows
$139.00 Save $40.00 RRP: $179.00
Tuya WiFi/Zigbee Smart Door and Window Sensor Set with Magnetic Alarm for Remote Monitoring via App
$69.00 Save $20.00 RRP: $89.00
5-24VDC PIR Sensor 24 Steps Stair Light Controller ES24 SPI
$79.00 Save $5.00 RRP: $84.00
Interrupteur de capteur de rideau lumineux, dispositif de sécurité à grille lumineuse (12 faisceaux BEM1240-C-440NB)
$199.00 Save $60.00 RRP: $259.00
Interrupteur de capteur de rideau lumineux, dispositif de sécurité pour réseau lumineux (6 faisceaux BEM0640-A-200NB)
$119.00 Save $30.00 RRP: $149.00
New for 117 25700071 Tattletale Magnetic Switch
$104.00 Save $15.00 RRP: $119.00
Smart Home Wireless Combustible Gas Sensor App Displays Gas Leakage Detector Audible And Visual Alarm GreenZech
$79.00 Save $140.00 RRP: $219.00