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Security System Sensors

Shop the best prices on 6,546 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ebox, Nedis and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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2,241 - 2,272 of 3,200
Pack of 10 Wired Door and Window Magnetic Alarm Sensors for Home Security and Alarm Panels
$27.95 Save $10.00 RRP: $37.95
Emergency Door Release Glass Break Alarm for Fire Exit and Home Security Quick Response Button
$25.95 Save $12.00 RRP: $37.95
Infrared Beam Sensor Kit with Automatic Stop Safety for Outdoor Gates Garage Doors and Security Systems
$48.95 Save $25.05 RRP: $74.00
Magnetic Door Window Sensor 2Pack Wired Recessed Alarm Contact for Home Security
$20.95 Save $11.00 RRP: $31.95
Door and Window Alarm with Loud Entry Alert, Easy Adhesive Mount Home Security Sensor White
$20.95 Save $11.00 RRP: $31.95
Alarm Sensor Mount Wall Bracket 10Pcs Adjustable Holder for Home Security Devices and Motion Detectors
$27.95 Save $12.00 RRP: $39.95
Wireless Door Window Alarm Sensor with Sensitivity Magnetic Reed for Home Office and
$20.95 Save $11.00 RRP: $31.95
Door Window Alarm with Loud Intrusion Alert and Easy Battery Replacement for Home Security
$20.95 Save $11.00 RRP: $31.95
6 Pack WiFi Door Sensor Smart Window Alarm with Instant Alerts Alexa Google Tuya Compatible
$89.00 Save $40.00 RRP: $129.00
Magnetic Door Window Security Alarm Contact Sensor 2.5 Inch NO/NC Dual Mode White
$74.00 Save $35.00 RRP: $109.00
Magnetic Door Window Sensor 2Pack Wired Recessed Alarm Contact for Home Security
$20.95 Save $11.00 RRP: $31.95
Wired Magnetic Door Window Sensor Alarm Switch Detector for Home Security System MC31B
$20.95 Save $11.00 RRP: $31.95
Emergency Door Release Glass Break Alarm Button with Manual Reset for Fire Exit and Home Security
$22.95 Save $12.00 RRP: $34.95
Door Sensor Alarm with Sensitivity Detection, Easy Install Window Alarm System for Home Security
$20.95 Save $11.00 RRP: $31.95
Door Window Alarm with 110dB Loud Wireless Sensor, NoDrill Install for Home Apartment Renter Safety (White)
$24.95 Save $13.00 RRP: $37.95
Wireless Door Alarm and Window Sensors with Remote Control, Magnetic Security, 105dB Loud Alert
$39.95 Save $19.05 RRP: $59.00
Wireless Door and Window Alarm 6 Pack, 110dB Loud Magnetic Sensor, 4 Modes for Home Security
$43.95 Save $20.05 RRP: $64.00
Infrared Beam Sensor with Sensitivity, IP55 Waterproof Wireless Security for Gate and Garage
$84.00 Save $45.00 RRP: $129.00
White RC33 Recessed Wired Door Contact Sensor NC Magnetic Switch for Home Security Alarm
$20.95 Save $11.00 RRP: $31.95
Wireless Door Alarm with 2 Remotes, 130dB Loud Magnetic Sensor, 5 Modes Light and Sound for Home
$25.95 Save $13.00 RRP: $38.95
Wireless Door Window Alarm with Instant Intrusion Alert for Home Security Protection and Easy Installation
$20.95 Save $11.00 RRP: $31.95
Wireless Door Window Security Alarm with Loud Intrusion Alert and Easy Adhesive Install for Home
$20.95 Save $11.00 RRP: $31.95
Wireless Door Window Security Alarm with Loud Intrusion Alert and Easy Adhesive Install for Home
$20.95 Save $11.00 RRP: $31.95
Wireless Door Window Sensor with Smart Motion Detection for A103 A105 A107 A108 A519W A01F A02F
$26.95 Save $14.00 RRP: $40.95
Door Window Alarm with Loud Intrusion Alert and Easy Battery Replacement for Home Security
$20.95 Save $11.00 RRP: $31.95
WiFi Door Window Sensor with Smart App Control, Instant Alerts, Alexa and Google Compatible (1 Pack)
$33.95 Save $17.00 RRP: $50.95
Trip Wire Reel 85FT SiliconeCoated for Early Warning Perimeter Security and Camping 2 Pack
$59.00 Save $30.00 RRP: $89.00
Wired Magnetic Door Window Sensor Switch for Home Security Alarm System Reliable Detection MC38A
$35.95 Save $18.05 RRP: $54.00
Door Alarm Sensor 108dB Wireless Magnetic Security with Remote for Home Garage RV and Pool Gate
$29.95 Save $15.00 RRP: $44.95
Wireless Door and Window Alarm Sensors Set 24 Pcs for Home Security with Immediate Intrusion Alert
$64.00 Save $35.00 RRP: $99.00
MC38 Wired Door Window Sensor 330mm Extended Wire Magnetic Switch NC Type Home Security Alarm
$20.95 Save $11.00 RRP: $31.95
MC38A Magnetic Door Sensor NC NO Wired Alarm Contact for Home Security Window Gate
$35.95 Save $18.05 RRP: $54.00