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Security System Sensors

Shop the best prices on 8,886 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Gze, Hsmy and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1,985 - 2,016 of 3,200
Anti-Theft Window Alarm 125dB with Ultra-Slim Vibration Sensor (3 Pack)
From $59.00
Tuya Zigbee WiFi Smart Door Window Sensor Alarm Detector Independent Magnetic Sensor Smart Home Via Alexa Google Home Smart Life
From $43.95
2026 Wireless Infrared Gate Beam Sensor Anti Theft Alarm IP55 Waterproof for Station Automatic Door
From $64.00
SONOFF DW2 Wifi Wireless Door Window Sensor Open/Closed Detectors e-WeLink APP
From $21.95
MC38 Wired Door Window Sensor 30mm Wire Length Magnetic Switch for Home Security Alarm
From $31.95
Magnetic Reed Switch NC Recessed Door Window Alarm Sensor, DualPack, Metal Compatible
From $19.95
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alar
From $47.95
Smart Door Window Sensor WiFi Wireless Alarm, Alexa Google Compatible, Tuya App Control, Push Notification
From $29.95
Door Window Alarm with 120dB Loud Magnetic Sensor, Easy Install Security for Home Apartment
From $31.95
TUYA WIFI Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor 2.4G WiFi Smart Home
From $14.95
Smart Vibration Sensor 4Pack, Wireless Glass Break Detector, WiFi Door Window Alarm with App, Tuya Compatible
From $64.00
Smart Door Window Sensor with Voice Control and Real Time Monitoring, Zigbee Wireless Home Security
From $19.95
Security Alarm Sensor with Smart Motion Detection for Hotel Room and Door Window Safety
From $19.95
Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless
From $59.00
Fake TV Simulator Anti-Burglar Device with AC Adaptor for Home Security
From $18.95
Tuya WiFi Smart Door Sensor Door Open Closed Detectors Smart Home Security Protection Alarm System Smart Life APP Control
From $20.95
Security Window Door Alarm 2.4 5 3 Pack 122 FJ122-H
From $74.00
Tuya Zigbee Door and Window Sensor Smart Home Automation Security Protection Smartlife APP Alarm Re
From $14.95
12-24V Waterproof IP65 P ocell Automatic Gate Door Safety Warning Infrared Beam Sensor P ocell 20m Detect Range
From $15.95
RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Recessed Switch White -
From $11.95
Garage Door Bracket suitable for Ring Alarm Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Securi
From $27.95
2 Pack Freezer Door Alarm, Window Security Alarm
From $25.95
Door Sensor Alarms Home Security Anti Theft Burglar Door Window Entry Open Sensor Alarms for Home Apartment
From $11.95
Photoelectric Beam Sensor with Bracket, NPN Output for Industrial Automation
From $15.95
Tuya Smart Door Window Magnetic Sensor Open Closed Detector Security Alarm Home Anti-theft Iron Rolling
From $33.95
2PCS Tuya Smart WiFi SOS Button Emergency Wireless Security Alarm Panic Device for Safety Smart Life Remote
From $26.95
2pcs Automatic Infrared Beam Detector Ir Alarm Sensor Door Light Sensor Burglar Alarm System YTQ
From $29.95
Garage Door Bracket for Ring Alarm Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Security Accessory
From $16.95
5 Set Wireless Burglar Alarm Door and Window Magnetic Sensor Alarm
From $23.95
5-Level Sensitivity Adjustment Window Glass Break Vibration+Magnetic Door Sensor, Requires Alarm Host to Operate_fgz
From $54.00
90DB Built-in Siren Sound and Light Sensor Compatible with Tuya Smart Life
From $48.95
Tuya APP Temperature Sensor Zigbee Alarm for Seedling Fermentation Animal Breeding
From $45.95