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Security System Sensors

Shop the best prices on 796 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on Yale and Smart Things. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United States.

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33 - 64 of 796
Infrared Beam Sensor 4 Beam 30m Outdoor IR Barrier for Home Yard Perimeter Security Alarm
$104.00 Save $55.00 RRP: $159.00
Wireless Door Window Alarm with Magnetic Sensor, Smart App Control and Red Light Flash for Home Security
$16.95 Save $7.00 RRP: $23.95
Door Window Alarm 2 Pack with Batteries, Loud Magnetic Sensor for Home Security and Travel
$16.95 Save $7.00 RRP: $23.95
Automatic Sliding Door Sensor with Infrared Presence and AntiPinch Protection IP54 Waterproof
$109.00 Save $60.00 RRP: $169.00
Smart Door and Window Alarm 2 Pack, Instant Open Alert Home Security Sensor 301
$35.95 Save $18.05 RRP: $54.00
Smartthings Multipurpose Sensor, Know If Windows And Doors Are Open, Single Smart Things
$44.95
Wireless Door and Window Alarm Sensor with Sensitivity Magnetic Design for Home and Office Security
$14.95 Save $8.00 RRP: $22.95
Security Alarm Sensor with Smart Motion Detection for Hotel Room and Door Window Safety
$14.95 Save $8.00 RRP: $22.95
5 Pairs MC38 Wired Door Window Magnetic Sensor Normally Closed Security Alarm Contact Switch for Home
$14.95 Save $8.00 RRP: $22.95
WiFi Door Sensor Smart Window Alarm with Instant Alerts and App Control for Home Security Black 1Pack
$14.95 Save $8.00 RRP: $22.95
Wired Window Alarm Sensor NC NO Magnetic Door Sensor with Sensitivity for Home Security
$14.95 Save $8.00 RRP: $22.95
5 Pairs MC38 Wired Door Window Magnetic Sensor Normally Closed Security Alarm Contact Switch for Home
$14.95 Save $8.00 RRP: $22.95
1 Pair RC33 Recessed Magnetic Door Alarm Sensor DC 100V Contact Switch for Home Security
$23.95 Save $12.00 RRP: $35.95
Garage Door Sensor Wired Magnetic Contact Switch RustResistant Alloy for Security Systems
$14.95 Save $8.00 RRP: $22.95
MC38 Door Window Sensor Magnetic Switch for Home Alarm, Normally Closed, Reliable Detection
$25.95 Save $12.00 RRP: $37.95
MC38 Wired Door Window Sensor 30mm Wire Length Magnetic Switch for Home Security Alarm
$23.95 Save $12.00 RRP: $35.95
5 Pack Door Window Alarm with Magnetic Sensor for Smart Home Security and Instant Intrusion Alert
$26.95 Save $14.00 RRP: $40.95
DC12V 24V Infrared Photocell Sensor Automatic Gate Safety Beam Weatherproof Garage Door Detector 1 Pair
$20.95 Save $11.00 RRP: $31.95
Infrared Beam Sensor with Accurate Motion Detection for Security Alarm Host and Perimeter Protection
$20.95 Save $11.00 RRP: $31.95
Power Failure Alarm AC 220V with LED Indicator, 120dB Loud Siren, Automatic Outage Detection CN Plug
$16.95 Save $7.00 RRP: $23.95
Presence Warning Alarm with Sound and Light Alerts for Safety and Security
$41.95 Save $22.05 RRP: $64.00
Wireless Door and Window Alarm Sensor with Sensitivity Magnetic Alert for Reliable Home Security
$14.95 Save $8.00 RRP: $22.95
1 Pair RC33 Recessed Door Magnetic Sensor Home Security Alarm Flush Mount Contact Switch DC 100V
$14.95 Save $8.00 RRP: $22.95
Door Window Alarm with 120dB Loud Magnetic Sensor, Easy Install Security for Home Apartment
$23.95 Save $12.00 RRP: $35.95
WiFi Door Window Sensor 4 Pack, Smart Home Alarm with Instant Alerts, Alexa Google Compatible
$29.95 Save $15.00 RRP: $44.95
5 Pairs 100V DC Wired NC Door Window Alarm Sensor Magnetic Contact Switch for Home Security
$14.95 Save $8.00 RRP: $22.95
WiFi Door Sensor with RealTime Alert, Wireless Magnetic Window Sensor for Home Security
$18.95 Save $9.00 RRP: $27.95
Wireless Door Window Security Alarm with Magnetic Sensor, Instant Alert, Easy Adhesive Installation
$14.95 Save $8.00 RRP: $22.95
Magnetic Door Window Security Alarm Contact Sensor 2.5 Inch NO/NC Dual Mode White
$52.95 Save $26.05 RRP: $79.00
WiFi Door Sensor Alarm 2 Pack, 90dB Smart Door Alert with App Notifications, Works with Alexa and Google Home
$34.95 Save $17.00 RRP: $51.95
1 Pair RC33 Recessed Door Magnetic Sensor Home Security Alarm Flush Mount Contact Switch DC 100V
$14.95 Save $8.00 RRP: $22.95
ABS MC38 Wired Door Window Sensor Magnetic Security Switch for Home Alarm System 1 Pair
$14.95 Save $8.00 RRP: $22.95