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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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1 - 32 of 796
Power Failure Alarm with 120dB Siren and LED Indicator for Home Office Safety (Needs 9V Battery)
$16.95 Save $8.00 RRP: $24.95
Smart Light Sensor with Thread Technology for Indoor Lighting Control and Energy Saving
$29.95 Save $17.00 RRP: $46.95
Smart Door Sensor 2 Pack, Wireless Door Alarm with App Alerts, Alexa Google Compatible for Home Security
$35.95 Save $23.05 RRP: $59.00
10 Sets Surface Mounted Magnetic Door Contact Sensors with Screws for Secure Entry Detection
$41.95 Save $22.05 RRP: $64.00
Infrared Door Opener Sensor Set with Fast Obstacle Detection, IP54 Waterproof for Outdoor Gates
$69.00 Save $35.00 RRP: $104.00
5.8G Millimeter Wave Radar Sensor with Instant Presence Alerts for Smart Home Side Mount
$99.00 Save $50.00 RRP: $149.00
Wired Vibration Sensor with Shock Detection NC Alarm Output for Window and Door Security
$26.95 Save $12.00 RRP: $38.95
Zigbee Vibration Sensor 3.0 with RealTime Motion Alerts and Adjustable Sensitivity for Smart Door Window Security, Low Power CR2450 White ZG103ZL
$19.95 Save $10.00 RRP: $29.95
Smart Light Sensor and Zigbee Rain Sensor, Solar Powered IPX6 Waterproof Outdoor Detector
$35.95 Save $17.00 RRP: $52.95
ZigBee Vibration Sensor Smart Home Door Window Alarm with RealTime Alerts and Long Standby
$16.95 Save $9.00 RRP: $25.95
Infrared Beam Sensor Waterproof Single Beam Door Alarm Receiver and Transmitter for Outdoor Security
$17.95 Save $8.00 RRP: $25.95
Trip Wire for Perimeter Security, Reusable Reel, Silicone Coated Alarm Cord for Camping and Outdoor Use
$14.95 Save $8.00 RRP: $22.95
Detector Guard Cover with ImpactResistant Wire Mesh and Secure Clamp for Alarm Sensor Protection
$20.95 Save $9.00 RRP: $29.95
Door Window Alarm Sensor with Magnetic Detection for Home Security and Immediate Access Alerts
$16.95 Save $7.00 RRP: $23.95
WiFi Vibration Sensor with RealTime Alerts, Sensitivity Wireless Motion Alarm for Door Tamper Detection, 1pc
$19.95 Save $9.00 RRP: $28.95
Smart WiFi Zigbee Window Door Sensor with App Control for Home Security Alarm System
$22.95 Save $11.00 RRP: $33.95
Zigbee Vibration Sensor for Doors and Windows, Adjustable Sensitivity, RealTime Alerts, Zigbee 3.0
$23.95 Save $12.00 RRP: $35.95
Wireless Door and Window Alarm with Infrared Motion Sensor, Waterproof, Adjustable Sensitivity for Home Security
$19.95 Save $10.00 RRP: $29.95
Wireless Z-Wave Plus Door/Window Sensor Gen 5 White Smart Home Compatible
$46.95 Save $22.05 RRP: $69.00
Alarm Touch Sensor Door Alarm 120DB Wireless Touch Sensor Anti-Theft Security Alarm Loud Door Knob
$19.95 Save $9.00 RRP: $28.95
5 Pairs MC38 Wired Door Window Magnetic Sensor Contact Switch for Home Security Alarm
$20.95 Save $11.00 RRP: $31.95
Magnetic Door Sensor for Rolling Gates and Shutter Doors, Heavy Duty Contact Switch with Strong Hold
$16.95 Save $7.00 RRP: $23.95
Smart Door Sensor Wireless Alarm Compatible with Tuya Smart Life App Control for Alexa Home Security
$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
Door and Window Alarm Sensor Magnetic Easy Install for Home Office Security Child Safety
$14.95 Save $8.00 RRP: $22.95
Smart Door Sensor 2 Pack, Wireless Door Alarm with App Alerts, Alexa Google Compatible for Home Security
$34.95 Save $17.00 RRP: $51.95
WiFi Door Sensor and Wireless Window Alarm 3Pack, Smart App Control, Long Battery Life, No Hub Required
$32.95 Save $15.00 RRP: $47.95
Wireless Door Window Alarm with Loud Entry Alert Home Security Sensor for House Office RV
$14.95 Save $8.00 RRP: $22.95
4 Pack Wireless Door and Window Alarm with 110dB Loud Alert for Home Security, Kids and Pets
$14.95 Save $8.00 RRP: $22.95
Magnetic Reed Switch NC Garage Door Sensor Silver Gray MC52 for Reliable Position Detection
$16.95 Save $7.00 RRP: $23.95
Door Window Security Alarm 120dB Loud Ultrathin SelfAdhesive Magnetic Sensor for Home, Garage, Drawer, Glass or Wooden Doors
$16.95 Save $7.00 RRP: $23.95
Door Magnetic Sensor Embedded Reed Switch For Doors And Windows Waterproof Dustproof Home Anti-Theft Alarm
$18.95 Save $9.00 RRP: $27.95