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Security System Sensors

Shop the best prices on 11,455 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Gze and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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3,073 - 3,104 of 3,200
5 Pairs Wired Door Window Alarm Sensor with Magnetic Contact Switch for Home Security
From $31.95
Door Window Alarm with 120dB Loud Magnetic Sensor, Easy Install Security for Home Apartment
From $31.95
20m Infrared Beam Sensor Pair with Instant Intrusion Alert for Outdoor Perimeter Security
From $48.95
Wireless Magnetic Door Window Alarm Sensor for Home Security with Easy DIY Installation
From $23.95
MC38 Wired Door Window Magnetic Sensor, Normally Closed Alarm Switch, 100V DC Security Contact
From $37.95
Security Alarm Sensor with Smart Motion Detection for Hotel Room and Door Window Safety
From $23.95
5 Pairs 100V DC Wired NC Door Window Alarm Sensor Magnetic Contact Switch for Home Security
From $19.95
Smart Vibration Sensor 4Pack, Wireless Glass Break Detector, WiFi Door Window Alarm with App, Tuya Compatible
From $64.00
Magnetic Reed Switch NC Recessed Door Window Alarm Sensor, DualPack, Metal Compatible
From $19.95
4 Pack Wireless Door and Window Alarm with 110dB Loud Alert for Home Security, Kids and Pets
From $19.95
Door and Window Alarm Sensor Magnetic Easy Install for Home Office Security Child Safety
From $19.95
Smart WiFi Door and Window Sensor 2 Pack, App Control, Instant Alerts, Compatible with Alexa and Google
From $45.95
Magnetic Reed Switch Door Window Alarm Sensor NC NO Dual Wiring Black Housing Easy Mount
From $33.95
Smart Vibration Sensor with RealTime Alerts, Wireless Door Window Alarm, Compatible with Alexa App
From $35.95
WiFi Door Sensor Smart Window Alarm with Instant Alerts and App Control for Home Security Black 1Pack
From $19.95
Wireless Door and Window Sensor Alarm with Sensitivity Magnetic Detection for Home and Office Security
From $19.95
Wireless Door and Window Alarm Sensor with Sensitivity Magnetic Alert for Reliable Home Security
From $19.95
Garage Door Sensor Wired Magnetic Contact Switch RustResistant Alloy for Security Systems
From $19.95
Mot Sensor Ceiling Home Indoor Aisd Hanging
From $27.95
433MHz Door Magnetic Contact Switch Wireless Sensor Detector Switch for Home Garage Alarm Security
From $30.95
M-809 Wireless Alarm Window Door Magnetic for Gap Sensor Burglar Alarm Detector
From $29.95
TUYA WiFi Door and Window Sensor Smart Security Alarms for Alexa Google Home
From $35.95
Wireless Home Security Alarm System - 4 Pack Magnetic Door and Window Sensors with 100dB Alert for Intrusion Protection
From $39.95
2pcs Infrared Beam Detector - Automatic Ir Alarm Sensor for Door Light & Burglar Alarm System
From $48.95
WiFi smart door magnetic alarm field alarm sensor
From $33.95
Door Window Alarm,130 Db Window Alarms For Home,set Of 2,white Pool Door Alarms For Kids Safety
From $27.95
SNZB-04P Zigbee Door Window Sensor Door Open/Close Detector for EWeLink App ZBBridge Required Work with Alexa Google Home
From $59.00
6Sets/Pack Wireless Anti Theft Apartment Burglar Alert Door Alarm Window for Home Security DIY Magnetic Sensor
From $15.95
Wireless 79GHz Radar Vehicle Detector Replace Loop Detector for Car Parking System Gate Barrier
From $159.00
2Pack Freezer Door Alarm,3/15/30/60 Seconds Wireless Fridge Alarm,4 in 1 Door Sensor Doorbell Door Open Alarm Loud108dB
From $38.95
Wired Glass Break Detector Round Door Window Breakin Sensor Tamper Alarm Ceiling/Wall Mount
From $37.95
Compatible with sound and light sensors and a built-in 100-decibel alarm, it can be controlled via an app for safety protection.
From $169.00