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Security System Sensors

Shop the best prices on 904 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on Yale, Xiaomi, Domos and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United States.

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1 - 32 of 904
WiFi Temperature Sensor with App Alerts, Waterproof Probe, Rechargeable Battery for Freezer and Fridge
$35.95 Save $18.05 RRP: $54.00
Power Failure Alarm with 120dB Siren and LED Indicator for Home Office Safety (Needs 9V Battery)
$16.95 Save $8.00 RRP: $24.95
RF AntiTheft Security System Crystal Acrylic Tower with 58kHz Alarm for Reliable Theft Detection
$2,699.00 Save $1,300.00 RRP: $3,999.00
Fridge and Freezer Door Alarm with Smart Sensor, Adjustable Voice Alert, Energy Saving, Easy Install
$19.95 Save $12.00 RRP: $31.95
Yale 3 Pack Yale PIR Motion Detector Sensor for Yale HSA Alarms 433MHz Yale
$64.00
Yale Pet PIR Motion Detector Sensor Pet Friendly for SR & EF Alarms 868MHz Yale
$30.95
Smart WiFi Door Sensor and Wireless Window Sensor with Instant Alerts, Compatible with Alexa and Google Home
$16.95 Save $7.00 RRP: $23.95
Door Window Alarm with Magnetic Sensor, Loud 120dB Alert for Pool Gate and Home Security
$34.95 Save $16.00 RRP: $50.95
2 Sets Magnetic Reed Switch NC NO Door Window Alarm Sensor for Home Security System
$16.95 Save $7.00 RRP: $23.95
Emergency Door Release Glass Break Alarm for Fire Exit and Home Security Quick Response Button
$17.95 Save $9.00 RRP: $26.95
Wired Magnetic Door Window Sensor Switch for Home Security Alarm System Reliable Detection MC38A
$25.95 Save $12.00 RRP: $37.95
Wireless Door Window Alarm Sensor with Sensitivity Magnetic Reed for Home Office and
$14.95 Save $8.00 RRP: $22.95
Magnetic Door Window Sensor 2Pack Wired Recessed Alarm Contact for Home Security
$14.95 Save $8.00 RRP: $22.95
Door Sensor Alarm with Sensitivity Detection, Easy Install Window Alarm System for Home Security
$14.95 Save $8.00 RRP: $22.95
MC38A Magnetic Door Sensor NC NO Wired Alarm Contact for Home Security Window Gate
$25.95 Save $12.00 RRP: $37.95
RC36 Wired Magnetic Door Sensor Alarm Detector for Home Gate Security System NC
$14.95 Save $8.00 RRP: $22.95
Glass Break Sensor Wired Window Glass Break Detector for Alarm System Sensitivity
$14.95 Save $8.00 RRP: $22.95
Recessed Wired Door Window Security Sensor with Magnetic Reed Switch White
$14.95 Save $8.00 RRP: $22.95
2 Pack Recessed Door Magnetic Contact Sensor Alarm Detector for Home Security 100V
$34.95 Save $17.00 RRP: $51.95
Wireless Door and Window Alarm Sensor with Loud Alert, Easy Adhesive Mount, Battery Operated
$14.95 Save $8.00 RRP: $22.95
MC38 Wired Door Window Sensor 330mm Extended Wire Magnetic Switch NC Type Home Security Alarm
$14.95 Save $8.00 RRP: $22.95
Alarm Buzzer for Windows - Loud Vibration Sensors, Window Safety Alarm System, White Security Sensor for Effective Protection
$19.95 Save $9.00 RRP: $28.95
Door Contacts 5-Pack Mini White Recessed NC Window Sensors Magnetic Reed Switch 3/4-Inch DCS Switches For Access Control
$22.95
Rolling Door Magnetic Contact N.C. Reed Switch Alarm 2 Wire Sensor MC56 2 Set
$37.95 Save $16.05 RRP: $54.00
Magnetic Door Contact Sensor 5 Pack, Dual NO NC Wiring, MultiVoltage Security Alarm for Doors and Windows
$43.95 Save $20.05 RRP: $64.00
Wired Magnetic Contact Sensor NC for Metal Windows Pack of 10 Reliable Alarm Reed Switch
$40.95 Save $18.05 RRP: $59.00
Door Window Security Alarm RL9805 White AntiTheft Sensor Reliable Entry Monitoring Device
$16.95 Save $7.00 RRP: $23.95
Wireless Garage Door Sensor 433MHz Magnetic Contact for Roller Shutter Gate Alarm System
$25.95 Save $12.00 RRP: $37.95
130dB Glass Break Alarm with Advanced Door Vibration Sensor for Home Security, Wireless, 1pc
$14.95 Save $8.00 RRP: $22.95
Door Window Alarm Sensor 2 Pack 125dB Loud Magnetic Home Security Alert Easy Mount White
$22.95 Save $11.00 RRP: $33.95
Door Magnetic Contact Wireless Sensor Detection Switch For Home Garage Security System Wireless Door Sensor
$15.95 Save $7.00 RRP: $22.95
433MHz Door Magnetic Contact Wireless Sensor Detection Switch for Home Office Alarm Security Wireless Door Sensor
$18.95 Save $9.00 RRP: $27.95