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Shop the best prices on 5,748 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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1,633 - 1,664 of 3,200
Intelligent Door Magnetic Detector Wireless Home Hotel 433 Door Magnetic Induction Alarm Door And Window Alarm
$79.00 Save $70.00 RRP: $149.00
Vibration Type Door Handle Sensor Alarm for Export
$69.00 Save $60.00 RRP: $129.00
Active Infrared Beam Sensor Anti Theft for Gate Openers Access Control Security Alarm System
$28.95 Save $8.00 RRP: $36.95
Wireless Temperature Alarm System Small Homes Temperature Sensor ABS Temperature Monitoring Device for Industrial Use Multicolor
$99.00
5 Sets MC-38 Wired Door Window Sensor Magnetic Switch Home Alarm System Detector White
$23.95
Outdoor Door Window Magnetic Alarm Wireless Sensor Waterproof Monitor Burglar Anti Theft Home Security
$28.95
Tuya ZigBee Smart Door Sensor Door Open/Closed Wireless Detector Tamper Alarm Security System Work with Home
$20.95
WiFi Door Window Sensor with App Alerts for Home Security and Kid Safety, Easy Install 1 Pack
$22.95 Save $12.00 RRP: $34.95
Wireless Vibration Alarm Door Window Open Alarm 120dB Security Sensor Anti-Theft For Home Apartment Hotel Garage
$24.95 Save $13.00 RRP: $37.95
Intelligent Door Magnetic Detector Wireless Home Hotel 433 Door Magnetic Induction Alarm Door And Window Alarm
$109.00 Save $120.00 RRP: $229.00
Freezer/Fridge Door Alarm When Left Open Safety Window Alarm 3/15/30/60s Adjustable Delay 4-in-1 Door Sensor Chime_kex3
$29.95 Save $22.00 RRP: $51.95
Infrared Detector Sensor 2 Beams Indoor 300m Outdoor 100m High Sensitive Waterproof Home Security Alarm
$64.00 Save $95.00 RRP: $159.00
4in1 Multi-Functional Door Magnetic Alarm Touch Button Door and Window Alarm Displacement Alarm Sensor 125dB
$15.95
W100 Smart WiFi Bridge Gateway and Door Sensor Set for WeHere Smart Lockboxes, APP Control for Home Office Security Edition 0118
$84.00 Save $105.00 RRP: $189.00
10 Sets 433MHz Wireless Magnetic Door Window Sensors for Enhanced Home Security Compatible with Home Burglar Systems Edition 0118
$36.95 Save $57.05 RRP: $94.00
Tuya ZigBee Light Sensor Luminance Sensor Beam Sensor
$17.95
Tuya ZigBee Smart Vibration Sensor Door Window Detection Alarm
$20.95 Save $6.00 RRP: $26.95
3X Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door and Window Security Alarm Home Security
$26.95 Save $14.00 RRP: $40.95
8X Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door Window Sensor Transducer Smart Life Home(1PCS)
$64.00 Save $35.00 RRP: $99.00
15 Pcs Mc-38 Wired Door Window Sensor Magnetic Switch for Home Alarm System,When Sensor Together,Normally Closed Nc
$22.95 Save $12.00 RRP: $34.95
5 Set Wireless Burglar Alarm Door and Window Magnetic Sensor Alarm
$12.95 Save $9.00 RRP: $21.95
Door Window Alarms, Adjustable Volume, Door Window Alarm Sensor
$54.00 Save $10.00 RRP: $64.00
3X Tuya Wifi Door Sensor Window Entry Sensor Security Burglar Magnetic Sensor Alarm Smart Life for APP Remote Control
$29.95 Save $15.00 RRP: $44.95
Photocell Infrared Sensor Detector for Automatic Gate Obstacle Detector Anti-Theft Alarm System
$17.95 Save $11.00 RRP: $28.95
Hidden Camera Detector Rf Bug Finder Gps Tracker Detector High Sensitivity Listening Device Detector Fml10
$159.00 Save $20.00 RRP: $179.00
2PCS 2 in 1 Tuya Zigbee 3.0 PIR Motion Detector Security Anti-Theft
$29.95 Save $9.00 RRP: $38.95
Tuya Matter Thread Door Window Sensor USB Powered Smart Home Wireless Detector Work with HomeKit Alexa Google Home
$34.95 Save $11.00 RRP: $45.95
4K Ultra HD Universe Galaxy LED Projection Light Atmosphere Light
$74.00 Save $25.00 RRP: $99.00
4X Tuya Wifi Door Sensor Window Entry Sensor Security Burglar Magnetic Sensor Alarm Smart Life for APP Remote Control
$37.95 Save $21.05 RRP: $59.00
4K Ultra HD Universe Galaxy LED Projection Light Atmosphere Light
$69.00 Save $50.00 RRP: $119.00
Tuya WiFi Vibration Sensor 130dB Sound Light Alarm Smart APP Real-Time Vibration Reminder Home Security Shock Detector
$19.95 Save $5.00 RRP: $24.95
Tuya Wifi Door Window Sensor Smart Anti-Theft Alarm Real-Time Alerts App Control Smart Home Security
$11.95 Save $11.00 RRP: $22.95