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Security System Sensors

Shop the best prices on 6,543 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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2,305 - 2,336 of 3,200
Security Window Door Burglar Alarm Bell Anti-theft Wireless Sensor Detector
$1.95
Door/window Magnetic Contact Detector With Wired Sensor For Home/garage Security
$159.00 Save $80.00 RRP: $239.00
1/2pcs 4 In 1 Door Alarm Security Alarm 3/15/30/60 Seconds Wireless Magnetic Doorbell Sensor Alarm
$30.95
Smart WIFI Door Window Sensor, Security Magnetic Sensor Close Detector, Alexa and Google Home Compat
$41.95 Save $37.05 RRP: $79.00
2.4GHz Wireless TTLOCK Door Sensor
$26.95
Universal Wired Wireless Rain Sensor Probe 433Mhz RF Module with Auto Closing for Window Opener
$59.00 Save $170.00 RRP: $229.00
10 Pack Window Alarm with Wireless Door Magnetic Sensor for Home Security System, Pool Door Alarm
$59.00 Save $30.00 RRP: $89.00
Door and Window Alarm, Door/Window Sensor, 120dB Touch Sensor Door Handle Anti-theft Alarm Vibration Window Burglary Alert Home Security
$22.95 Save $12.00 RRP: $34.95
Tuya Smart ZigBee 3.0 Smart Temperature and Humidity Sensor Battery Powered Security with Tuya Smart Life App Alexa(C)
$17.95
2pcs Garage Door Bracket for Contact Sensor,Ring Sensor Mounting Bracket Security Accessories
$24.95 Save $7.00 RRP: $31.95
5-Level Sensitivity Adjustment Window Glass Break Vibration+Magnetic Door Sensor, Requires Alarm Ho
$35.95 Save $6.00 RRP: $41.95
Wireless Door and Window Vibration Sensor Alarm 125dB Glass Breakage Anti-Theft Sensor, Easy Instal
$14.95 Save $1.00 RRP: $15.95
Tuya ZigBee 3.0 Window Door Gate Sensor Detector Controlled Via Smart Life App for Home Black
$20.95 Save $3.00 RRP: $23.95
Tuya ZigBee 3.0 Window Door Gate Sensor Detector Controlled Via Smart Life App for Home White
$20.95 Save $3.00 RRP: $23.95
Independent smoke detector sensor102mm
$74.00
Carbon oxide poisoning alarm detector
$69.00
Independent smoke detector sensor12mm
$41.95
Door Window Open Alarm, Wireless Remote Control Magnetic Sensor
$22.95 Save $7.00 RRP: $29.95
Infrared Detector Sensor 2 Beams Indoor 300m Outdoor 100m High Sensitive Waterproof Home Security Alarm
$64.00 Save $95.00 RRP: $159.00
3 Phase 220-380v Voltage Relay 80A Changeover Switch Overvoltage/Undervoltage/ Overcurrent/Phase Loss Protection Keep
$47.95 Save $11.05 RRP: $59.00
4pcs Door Window Sensor Zigbee Wireless Connection Smart Mini Door Sensor Work for Aqara Gateway Mi Home HomeKit
$119.00
3 Phase 220-380v Voltage Relay 63A Changeover Switch Overvoltage/Undervoltage/ Overcurrent/Phase Loss Protection Keep
$42.95 Save $10.00 RRP: $52.95
Smart ZigBee 3.0 Vibration Sensor Monitor Home Security Protection Motion Shock Home Outdoor Wireless Alarm
$23.95
Tuya Door Window Sensor Wifi, Open Close Detector Home Security System, Smart Life Remote Control
$11.95 Save $47.05 RRP: $59.00
10 Pack Window & Door Magnetic Sensor Alarm, Wireless Home Security for Pool Door, Kids Safety, Easy Install
$59.00 Save $20.00 RRP: $79.00
Door Window Alarms, Adjustable Volume, Chime/Alarm, Door Window Alarm Sensor for Home Security, Kids Safety 4 Pack
$51.95
Tuya Zigbee Temperature Humidity Sensor Smart Life Remote Monitor for Smart Home Workwith Tuya Zigbee Hub
$23.95
Tuya ZigBee Smart Motion Sensor Vibration Tilt Fall Sensor Security Burglar IP67 Real-Time APP Detection
$23.95
Tuya WiFi SOS Panic Button Smart Life APP Notifications One Key Alert Wall Sticky /Neck Strap Design for Elderly & Kids
$38.95
Tuya WiFi Smart Door Sensor Home Security Protection Smart Life APP Door Window Senso
$20.95 Save $10.00 RRP: $30.95
Wireless Sensor Dolphinbar(Wiimote to PC USB )Connect
$69.00 Save $5.00 RRP: $74.00
Safety Sensor Replacement Kit Garage Door Lift Garage Sensor Bracket
$20.95 Save $2.00 RRP: $22.95