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Security System Sensors

Shop the best prices on 308 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on Xiaomi and Domos. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United States.

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1 - 32 of 308
Power Failure Alarm with 120dB Siren and LED Indicator for Home Office Safety (Needs 9V Battery)
$16.95 Save $8.00 RRP: $24.95
Movement Sensor Xiaomi MI MOTION SENSOR 2S BHR8995GL Wall mounting Xiaomi
$26.95
WiFi Door Sensor With Vibration Detection, Mobile Alerts, Temperature-Resistant, Adjustable Sensitivity, WiFi Version
$26.95 Save $14.00 RRP: $40.95
ZigBee Smart Vibration Sensor Real Time Door and Window Detection Alarm Smart Security Protection Sensor
$22.95 Save $11.00 RRP: $33.95
ZigBee Smart Vibration Sensor Real-Time Door And Window Detection Alarm Compatible SmartLife Security Sensor
$22.95 Save $11.00 RRP: $33.95
Smart Home Vibration Sensor, Door Break Detector, Remote Control Included, WiFi Alarm, ZigBee Version
$25.95 Save $13.00 RRP: $38.95
HY-SRF05 SRF05 Ultrasonic Distance Module 5V Ultrasonic Sensor SR04 Replacement
$59.00 Save $25.00 RRP: $84.00
5 Pack Door Window Alarm with Magnetic Sensor for Smart Home Security and Instant Intrusion Alert
$29.95 Save $17.00 RRP: $46.95
Trip Wire Alarm 82ft Tensile Perimeter Security Cord with Reusable Reel for Camping and Survival
$16.95 Save $7.00 RRP: $23.95
Photoelectric Beam Sensor 13ft Gate Safety Sensor Weatherproof Fast Detection for Sliding Gates
$17.95 Save $9.00 RRP: $26.95
Door Window Alarm with Loud 108dB Wireless Sensor for Home Safety Kids Elderly Battery Powered
$17.95 Save $11.00 RRP: $28.95
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
Magnetic Reed Switch 10 Pack Wired Door Window Sensor for Home Security Alarm No External Power
$20.95 Save $9.00 RRP: $29.95
Wireless Magnetic Door and Window Sensor RF 43Hz Alarm for Smart Home Intrusion Detection
$16.95 Save $7.00 RRP: $23.95
WiFi Temperature Sensor with App Alerts, Waterproof Probe, Rechargeable Battery for Freezer and Fridge
$35.95 Save $18.05 RRP: $54.00
Door Window Magnetic Contact Sensor NC NO with Dual Output and MultiVoltage DC5V24V
$16.95 Save $7.00 RRP: $23.95
Power Failure Alarm 120dB Loud Siren with LED Indicator, Automatic Power Cut Alert CN Plug 220V
$14.95 Save $8.00 RRP: $22.95
Smart WiFi Door Sensor Wireless Window Alarm with 130dB Siren and RealTime Phone Alerts
$22.95 Save $9.00 RRP: $31.95
Smart Door Window Sensor with Magnetic Contact, Instant Security Alerts, Easy No‑Drill Installation for Home and Office
$17.95 Save $8.00 RRP: $25.95
KM982970 FCU0740 Elevator Infrared Sensor Curtain of Light Module for 3000S Monospace Quick Replacement
$309.00 Save $150.00 RRP: $459.00
Magnetic Reed Switch NC Garage Door Sensor Silver Gray MC52 for Reliable Position Detection
$16.95 Save $7.00 RRP: $23.95
7 Pack 110dB Door and Window Alarm Sensors with 4 Modes for Home Garage Office Security
$47.95 Save $21.05 RRP: $69.00
Door Window Alarm Sensor 110dB Loud Siren 4 Modes Battery Operated Magnetic Security 9 Pack
$51.95 Save $32.05 RRP: $84.00
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
Magnetic Reed Switch NC Garage Door Sensor for Rolling Gate Alarm, Surface Mount Silver Gray
$16.95 Save $7.00 RRP: $23.95
20PCS PIR Motion Sensor Lens 83084 White Infrared Fresnel Lens for Improved Detection and Longevity
$16.95 Save $7.00 RRP: $23.95
2 Pack WiFi Door Sensor with RealTime Alerts, Smart Window Sensor Alexa Google Compatible for Home Security and Burglar Alert
$26.95 Save $12.00 RRP: $38.95
Door Alarm Sensor with Compact Recessed Magnetic Contact, Compatible Replacement for Honeywell 951WGWH
$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
WiFi Door Sensor with Instant Alerts, 2.4GHz Long Range Wireless Magnetic Alarm for Home Security (White)
$17.95 Save $8.00 RRP: $25.95
Smart Sensor for Doors and Windows Xiaomi BHR5154GL Xiaomi
$27.95
Door Window Magnetic Contact Sensor NC Wired Surface Mount 5 Pack for Alarm System
$25.95 Save $12.00 RRP: $37.95