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Security System Sensors

Shop the best prices on 4,061 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Gze, Maikaisen and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Canada.

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993 - 1,024 of 3,200
4in1 Multi-Functional Door Magnetic Alarm Touch Button Door and Window Alarm Displacement Alarm Sensor 125dB
From $10.95
4in1 Multi-Functional Door Magnetic Alarm Touch Button Door and Window Alarm Displacement Alarm Sensor 125dB
From $10.95
4in1 Multi-Functional Door Magnetic Alarm Touch Button Door and Window Alarm Displacement Alarm Sensor 125dB
From $23.95
4in1 Multi-Functional Door Magnetic Alarm Touch Button Door and Window Alarm Displacement Alarm Sensor 125dB
From $15.95
4in1 Multi-Functional Door Magnetic Alarm Touch Button Door and Window Alarm Displacement Alarm Sensor 125dB
From $13.95
20M Outdoor Infrared Beam Sensor Security Alarm Detector, Waterproof AntiJamming Motion Sensor
From $74.00
5 Pack 120dB Wireless Door Window Alarm Sensor for Home Security, Kids and Elderly Safety
From $169.00
Wireless Burglar Alarm with Magnetic Sensor - 90dB Home Security System, Easy Install, Long Battery Life Gze
From $23.95
120dB Touch Sensor Door Handle Alarm and Anti Theft Vibration Window Alert for Home Security
From $27.95
12V Wired PIR Motion Sensor Dual Passive Infrared Detector for Home Security Alarm System
From $59.00
Touchless Infrared Door Release Button with LED Indicator and Wireless Remote for Home Security
From $499.00
Wireless PIR Motion Sensor 433MHz Detector for Home Security Alarm with False Alarm Reduction
From $37.95
Wireless Door and Window Alarm 120dB Loud Battery Operated Home Security Sensor White AntiTheft
From $25.95
Smart Door & Window Alarm Sensor - WiFi Wireless Security with Alexa & Google Home Compatibility Gze
From $23.95
PIR Motion Sensor Wired Infrared Detector for Home Security Alarm Systems Reliable Detection
From $31.95
15 Pack Door Window Alarm Sensor, Loud Magnetic Burglar Alert for Home Security, AAA Battery Powered
From $54.00
Smart Door and Window Sensor Zigbee Wireless Contact for Smart Home Security Compatible with Tuya and Google Home (1 Pack)
From $31.95
Wireless PIR Motion Detector 3 Pack for Home Security Alarm System, Battery Powered Easy No‑Wire Installation
From $94.00
Weatherproof Metal Magnetic Door Window Sensor for Home Security Alarm with Instant Alerts
From $29.95
Wireless Door Window Sensor 433MHz EV1527 for Home Security Alarm System with Instant Door Alerts
From $25.95
Smart Alarm Sensor with RealTime Remote Monitoring and Instant Alarm Response for Home and Office Security
From $43.95
IP65 Waterproof Dual PIR Motion Sensor with Pet Immunity, 90° Outdoor Motion Detector for Security Systems
From $119.00
WiFi Door and Window Sensor 2 Pack, Smart Door Sensor with Instant App Alerts, No Hub Required for Home Security Automation
From $74.00
MC38 Wired Door Window Sensor N.C Type, Reliable Magnetic Switch Detection for Home Security
From $25.95
Solar Alarm Siren Outdoor Wireless PIR Motion Sensor Waterproof Strobe Security Alarm for Home
From $74.00
5 Pack Smart WiFi Door Window Sensor, Wireless Home Security Alarm with App Control, Alexa Google Compatible
From $309.00
120dB Wireless Door and Window Alarm Sensor 2 Pack for Home Security, Kids and Elderly Safety
From $49.95
Magnetic Door Window Contact Sensor RC33B NO Recessed Reed Switch Concealed Security
From $25.95
12V Wired Dual PIR Motion Sensor Alarm for Home Security, Infrared Detector with False Alarm Reduction
From $25.95
Window Alarm Set with Extra Loud 130dB Vibration Sensors for Home, Office and RV Security, 6 Pack Black
From $239.00
Fire reset switch green fire glass break type normally open normally closed safety door emergency alarm button hHxX
From $35.95
Infrared Beam Detectors for Security Alarm System Door Opener Commercial
From $32.95