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Security System Sensors

Shop the best prices on 870 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 870
Door Window Security Alarm 120dB Magnetic Sensor Wireless SelfAdhesive Intruder Alert 2pcs
$31.95 Save $14.00 RRP: $45.95
Power Failure Alarm 120dB Loud with LED Indicator CN Plug 220V for Home and Business
$16.95 Save $7.00 RRP: $23.95
Magnetic Door Window Sensor Dual Pack, Hidden Recessed Alarm Contact, Wired NC Security Switch White
$22.95 Save $10.00 RRP: $32.95
Magnetic Reed Switch NC Garage Door Sensor for Rolling Gate Alarm, Surface Mount Silver Gray
$16.95 Save $7.00 RRP: $23.95
Freezer Door Alarm with Adjustable Delay, 108dB Loud, 4 Modes Magnetic Sensor for Home Security, 30 Pack
$429.00 Save $220.00 RRP: $649.00
Smart Vibration Sensor 4Pack, Wireless Glass Break Detector, WiFi Door Window Alarm with App, Tuya Compatible
$45.95 Save $28.05 RRP: $74.00
Wireless Door Window Alarm with 120dB Loud Vibration Sensor for Home Security
$14.95 Save $8.00 RRP: $22.95
WiFi Temperature Sensor with App Alerts, Waterproof Probe, Rechargeable Battery for Freezer and Fridge
$35.95 Save $18.05 RRP: $54.00
Smart Door Window Sensor WiFi Wireless Alarm, Alexa Google Compatible, Tuya App Control, Push Notification
$22.95 Save $13.00 RRP: $35.95
Magnetic Reed Switch NC Recessed Door Window Alarm Sensor, DualPack, Metal Compatible
$19.95 Save $12.00 RRP: $31.95
4Pack WiFi Smart Door and Window Sensor, Instant Alerts, Alexa Google Compatible, Long Battery Life
$48.95 Save $30.05 RRP: $79.00
10Pcs Alarm Detector Bracket with Adjustable Wall Ceiling Mount for Home and Commercial Security
$20.95 Save $12.00 RRP: $32.95
Door and Window Alarm Sensor, 10 Pack NC Wired Recessed Magnetic Reed Switch for Home Security, Brown
$23.95 Save $14.00 RRP: $37.95
Security Alarm Sensor with Smart Motion Detection for Hotel Room and Door Window Safety
$17.95 Save $11.00 RRP: $28.95
WiFi Door Window Sensor 4 Pack, Smart Home Alarm with Instant Alerts, Alexa Google Compatible
$31.95 Save $17.00 RRP: $48.95
Wireless Door and Window Alarm 3 Pack, 130dB Loud Alert, Dual Mode, Easy Install for Home Security
$32.95 Save $18.00 RRP: $50.95
WiFi Door Sensor with RealTime Alert, Wireless Magnetic Window Sensor for Home Security
$20.95 Save $12.00 RRP: $32.95
Door Window Alarm with 110dB Loud Wireless Sensor, 4 Modes Battery Operated for Home and Child Safety, 9 Pack
$19.95 Save $12.00 RRP: $31.95
Door Window Security Alarm 130dB Loud Adjustable Volume 5 Modes Wireless Sensor with Remote Control for Home Safety Kids and Elderly
$23.95 Save $14.00 RRP: $37.95
Smart Vibration Sensor with Adjustable Sensitivity Compatible with Tuya Home Security Motion Detector
$22.95 Save $13.00 RRP: $35.95
Smart Light and Rain Sensor Zigbee Compatible with Tuya 2 in 1 Solar Powered IPX6 Waterproof Wireless Detector
$37.95 Save $21.05 RRP: $59.00
Door Window Alarm Sensor 110dB Loud Siren 4 Modes Battery Operated Magnetic Security 9 Pack
$51.95 Save $27.05 RRP: $79.00
12V 24V Infrared Sensor Switch with LED, Hands Wall Mounted Access Control Button, White 86x86mm
$20.95 Save $12.00 RRP: $32.95
Door Alarm Sensor 108dB Wireless Magnetic Security with Remote for Home Garage RV and Pool Gate
$25.95 Save $14.00 RRP: $39.95
Outdoor Security Beam Sensor with Rain Cover, Waterproof Infrared Motion Detector for Indoor Outdoor Use
$19.95 Save $12.00 RRP: $31.95
Wireless Gate Sensor with Infrared Beam, IP55 Weatherproof, Low Battery Alert for Outdoor Gates
$47.95 Save $26.05 RRP: $74.00
Magnetic Door Switch Wired 100V NC White Home Security Window Contact Sensor Reliable Alarm
$28.95 Save $13.00 RRP: $41.95
WiFi Door Sensor With Vibration Detection, Mobile Alerts, Temperature-Resistant, Adjustable Sensitivity, WiFi Version
$26.95 Save $14.00 RRP: $40.95
Einbruchalarm 130 dB Door and Window Security Sensors for Immediate Alerts on Unauthorized Access
$19.95 Save $10.00 RRP: $29.95
Magnetic Door Window Alarm Sensor 5 Pack White for Home and Office Security Easy Installation
$48.95 Save $25.05 RRP: $74.00
Wireless Door and Window Sensor for Home Security, Magnetic Contact with Instant Intrusion Detection
$20.95 Save $11.00 RRP: $31.95
12V Electronic Buzzer Alarm, 90dB Intermittent Beep Sounder, Easy Install Dual Pack for Security
$23.95 Save $12.00 RRP: $35.95