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Shop the best prices on 11,786 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Other and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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3,137 - 3,168 of 3,200
Smart Zigbee Vibration Motion Sensor App Control Security Protection Motion Shock Alarm ZG-103ZL
$32.95
Smart Zigbee Vibration Motion Sensor App Control Security Protection Motion Shock Alarm ZG-103ZL
$32.95
PIR+Light Sensor+Temperature/Humidity+USB Human Presence Sensor Zigbee Low-Power Temperature/Humidity Light Sensor
$35.95
PIR+Light Sensor+Temperature/Humidity+USB Human Presence Sensor Zigbee Low-Power Temperature/Humidity Light Sensor
$35.95
Infrared Beam Sensor Outdoor Alarm Weatherproof Single Beam for Home Door and Window Security
$28.95 Save $14.00 RRP: $42.95
HXA068 Wireless Window And Door Sensor With Reed Switch Electromagnetic Low Power Consumption
$20.95 Save $11.00 RRP: $31.95
Door and Window Alarm Sensors Wired Magnetic Contact 2 Pack Recessed Hidden Security Switches
$20.95 Save $11.00 RRP: $31.95
Wireless Door and Window Sensor Alarm with Sensitivity Magnetic Detection for Home and Office Security
$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 $13.00 RRP: $39.95
Smart Door Window Sensor with Voice Control and Real Time Monitoring, Zigbee Wireless Home Security
$20.95 Save $11.00 RRP: $31.95
RC36 NC Recessed Door Contact Sensor Magnetic Reed Switch for Metal Doors Alarm Black 5pcs
$20.95 Save $11.00 RRP: $31.95
Magnetic Door Sensor NC Recessed Wired Window Contact for Home Security and Burglar Alarm Systems
$33.95 Save $16.00 RRP: $49.95
Emergency Door Release Glass Break Alarm Button with Manual Reset for Fire Exit and Home Security
$22.95 Save $11.00 RRP: $33.95
5 Pairs 100V DC Wired NC Door Window Alarm Sensor Magnetic Contact Switch for Home Security
$20.95 Save $11.00 RRP: $31.95
4 Pack Wireless Door and Window Alarm with 110dB Loud Alert for Home Security, Kids and Pets
$20.95 Save $11.00 RRP: $31.95
MC38 Wired Door Window Sensor Magnetic Switch for Home Alarm Security with Extended 30mm Wire
$20.95 Save $11.00 RRP: $31.95
Emergency Door Release Glass Break Alarm for Fire Exit and Home Security Quick Response Button
$25.95 Save $12.00 RRP: $37.95
Smart Door Window Sensor with Voice Control and Real Time Monitoring, Zigbee Wireless Home Security
$20.95 Save $11.00 RRP: $31.95
Door Window Alarm Sensor with Sensitivity Magnetic Detection for Home Security and Office Use
$20.95 Save $11.00 RRP: $31.95
RC36 Wired Magnetic Door Sensor Alarm Detector for Home Gate Security System NC
$20.95 Save $11.00 RRP: $31.95
WiFi Vibration Sensor with RealTime Alerts, Sensitivity Wireless Motion Alarm for Door Tamper Detection, 1pc
$26.95 Save $14.00 RRP: $40.95
WiFi Door Sensor Magnetic Triggered Door Sensor for Home Use with Phone Notification
$30.95 Save $13.00 RRP: $43.95
25-26 Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install
$20.95 Save $20.00 RRP: $40.95
25-26 Infrared Detector Sensor 2 Beams Indoor 300m Outdoor 100m High Sensitive Waterproof Home Security Alarm
$54.00 Save $55.00 RRP: $109.00
25-26 Door Alarm, Door Opening Detector With Powerful Siren, Magnetic Wireless Door And Window Alarm(pack Of 1) new
$40.95 Save $43.05 RRP: $84.00
Car Climate Sensor 5QJ907643 Suitable for Enhances Air Quality Monitoring & Comfort Commuters And Long Distance Traveler
$40.95
Type B 2Pcs Infrared Beam Sensor Detector Alarm Photocell Photoelectric Switch DC 12-24V Light 25-26
$18.95 Save $19.00 RRP: $37.95
For Magnetic Door Switch Rc33 Nc Recessed Wired Sensor Alarm 10 25-26
$84.00 Save $85.00 RRP: $169.00
4xSW-420 Vibration Tilt Sensor Alarm Module Motion Shake Shock for 25-26
$4.95 Save $5.00 RRP: $9.95
Intelligent Light Detection Device Wireless Home Automation Integration Small Designs Low Power Sensors for Home
$49.95
Professional Boat Engine Hood Door Alert System Suitable for Transportation and Logistics Monitoring Unauthorized Access
$14.95
Tuya WiFi Smart Temperature and Humidity Sensor for Indoor Use, Works with Alexa and Google Assistant via Smart Life App
$64.00 Save $10.00 RRP: $74.00