Filters

Security System Sensors

Shop the best prices on 10,764 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.

Filters
2,689 - 2,720 of 3,200
433MHz Wireless Vibration Detector Alarm Sensor Door Window Burglar Security Alarm System
$15.95 Save $5.00 RRP: $20.95
4X Tuya WiFi Light Sensor Smart Home Illumination Sensor APP Linkage Control Brightness Detector Illumination Automation
$104.00
Magnetic Reed Switch NC Recessed Door Window Alarm Sensor, DualPack, Metal Compatible
$20.95 Save $11.00 RRP: $31.95
Door Window Alarm with 120dB Loud Magnetic Sensor, Easy Install Security for Home Apartment
$33.95 Save $17.00 RRP: $50.95
Smart Door Window Sensor WiFi Wireless Alarm, Alexa Google Compatible, Tuya App Control, Push Notification
$28.95 Save $15.00 RRP: $43.95
Door Window Alarm Sensor with Sensitivity Magnetic Detection for Home Security and Office Use
$20.95 Save $11.00 RRP: $31.95
2Pack Wired Recessed Magnetic Contact Sensors for Doors and Windows, Accurate Entry Detection
$20.95 Save $11.00 RRP: $31.95
Outdoor Security Beam Sensor with Rain Cover, Waterproof Infrared Motion Detector for Indoor Outdoor Use
$24.95 Save $12.00 RRP: $36.95
WiFi Door Sensor Smart Window Alarm with Instant Alerts and App Control for Home Security Black 1Pack
$20.95 Save $11.00 RRP: $31.95
Door Alarm Sensor with Sensitivity for Home Security, Easy Surface Mount Window and Door Alarm
$20.95 Save $11.00 RRP: $31.95
Smart Door Sensor 2 Pack, Wireless Door Alarm with App Alerts, Alexa Google Compatible for Home Security
$47.95 Save $26.05 RRP: $74.00
Wireless Door and Window Sensor Alarm with Sensitivity Magnetic Detection for Home and Office Security
$20.95 Save $11.00 RRP: $31.95
WiFi Door Window Sensor 4 Pack, Smart Home Alarm with Instant Alerts, Alexa Google Compatible
$41.95 Save $22.05 RRP: $64.00
RC36 NC Recessed Door Contact Sensor Magnetic Reed Switch for Metal Doors Alarm Black 5pcs
$20.95 Save $11.00 RRP: $31.95
4 Pack Wireless Door and Window Alarm with 110dB Loud Alert for Home Security, Kids and Pets
$20.95 Save $11.00 RRP: $31.95
MC38 Wired Door Window Magnetic Sensor, Normally Closed Alarm Switch, 100V DC Security Contact
$39.95 Save $19.05 RRP: $59.00
Magnetic Door Contact Sensor NC Reed Switch for Garage Gate Security, Zinc Alloy, 40mm Gap
$20.95 Save $11.00 RRP: $31.95
Smart Door Window Sensor with Voice Control and Real Time Monitoring, Zigbee Wireless Home Security
$20.95 Save $11.00 RRP: $31.95
Wireless Door Window Alarm with Loud Entry Alert Home Security Sensor for House Office RV
$20.95 Save $11.00 RRP: $31.95
Infrared Beam Sensor Kit with Automatic Stop Safety for Outdoor Gates Garage Doors and Security Systems
$48.95 Save $25.05 RRP: $74.00
Door and Window Alarm Sensor, 10 Pack NC Wired Recessed Magnetic Reed Switch for Home Security, Brown
$24.95 Save $13.00 RRP: $37.95
Wireless Door and Window Alarm Sensor with Sensitivity Magnetic Design for Home and Office Security
$20.95 Save $11.00 RRP: $31.95
MC38 Wired Door Window Sensor 30mm Wire Length Magnetic Switch for Home Security Alarm
$33.95 Save $17.00 RRP: $50.95
MC38 Wired Door Window Magnetic Sensor NC NO for Home Security Alarm with Easy DIY Installation
$20.95 Save $11.00 RRP: $31.95
Door Window Alarm Sensor with Sensitivity Magnetic Detection for Home Security and Office Use
$20.95 Save $11.00 RRP: $31.95
MC38 Wired Door Window Sensor Magnetic Switch for Home Alarm Security with Extended 30mm Wire
$20.95 Save $11.00 RRP: $31.95
Smart Vibration Sensor 4Pack, Wireless Glass Break Detector, WiFi Door Window Alarm with App, Tuya Compatible
$64.00 Save $30.00 RRP: $94.00
Door Window Alarm Sensor Magnetic Reed Switch NO NC White 2.51 Inch Adhesive Mount Security
$74.00 Save $35.00 RRP: $109.00
Emergency Door Release Glass Break Alarm for Fire Exit and Home Security Quick Response Button
$25.95 Save $12.00 RRP: $37.95
Wireless Door and Window Sensor Alarm with Sensitivity Magnetic Detection for Home and Office Security
$20.95 Save $11.00 RRP: $31.95
Door and Window Alarm Sensors Wired Magnetic Contact 2 Pack Recessed Hidden Security Switches
$20.95 Save $11.00 RRP: $31.95
Door and Window Alarm Sensor Magnetic Easy Install for Home Office Security Child Safety
$20.95 Save $11.00 RRP: $31.95