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Shop the best prices on 11,073 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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1,345 - 1,376 of 3,200
MC-31 Surface Mount Wired NC Door Contact Sensor Alarm Magnetic Reed Switch for Window Door Security 10pcs 20pc Screws
$26.95
Glass Break Sensor Detector for Alarm System Wired Glass Break Sensor unbrand
$11.95
Garage Door Magnetic Curtain Door Sensor with 5m Wired Magnetic Detector for Garage Door Opener Accessories
$9.95 Save $4.00 RRP: $13.95
10pcs 433MHz Wireless Vibration Glass Break Detector, Adjustable Sensitivity, Compatible with Alarm Systems unbrand
$64.00
Tuya Door Magnetic Alarm, Anti-Theft Alarm, WIFI APP Door Magnetic Opening Reminder Remote Alarm unbrand
$12.95
Door Magnetic Alarm Wireless Door and Window Anti-Theft Alarm Home Anti-Theft Door Opening Sensor 10 Pcs unbrand
$20.95
High Sensitive Vibration Detector Earthquake Alarms with LED Lighting Door Home Wireless Electric Car Alarm
$19.95 Save $9.00 RRP: $28.95
Smart Vibration Sensor with Zigbee, Real-Time Alerts via Smart Life App, Motion Detection Notification
$25.95 Save $20.00 RRP: $45.95
Garage Door Bracket for Ring Alarm Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Securi-mo
$27.95 Save $9.00 RRP: $36.95
Wireless Store Entrance Doorbell with Infrared Sensor and Alarm with 2 Receivers
$40.95 Save $13.05 RRP: $54.00
Wireless Door and Window Alarm Sensor - Anti-Theft Home Security System for Kids Safety - Loud Magnetic Triggered Alert for Pool, Home & Office
$21.95 Save $20.00 RRP: $41.95
Burglar alarm sensor for outdoor wireless IR detector
$54.00 Save $25.00 RRP: $79.00
4PCS Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Home Security System
$45.95
Tuya Zigbee 2MQTT Multifunctional Pressure Sensor Flexible Thin Film Pressure Sensor Detection Strip Smart Linkage
$26.95
Tuya Smart ZigBee SOS Button Sensor Alarm Elderly Children Alarm Emergency Help Switch Tuya Smart Life Remote Control
$15.95
Tuya ZigBee Door Window Sensor Anti-Theft Alarm Smart Home Wireless Detector APP Remote Work with Alexa Google Home
$10.95
Tuya WiFi Light Sensor Intelligent Home Illumination Sensor Linkage Control Brightness Sensor Illumination
$21.95
Zigbee Smart Vibration Sensor Detection Tuya Smart Life APP Notification Real-Time Motion Vibration Alarm Smart Home
$14.95
Tuya ZigBee Door Window Sensor Anti-Theft Alarm Smart Home Wireless Detector APP Remote Work with Alexa Google Home
$10.95
Wireless Door Window Alarm 125dB Magnetic Sensor for Home Security Apartment Office Kids, 4pcs
$54.00 Save $30.00 RRP: $84.00
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alar
$41.95 Save $17.05 RRP: $59.00
Heatless Hair Curler 8-claw Curling Wand Headband Sleep Iron Diy Tools Rollers For Long
$28.95 Save $15.00 RRP: $43.95
Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door and Window Security Alarm Home
$4.95 Save $22.00 RRP: $26.95
Security Sensor Window Alarm Magnetic Security For Elderly Care Sound And Light Alarm 1Set
$22.95 Save $19.00 RRP: $41.95
W100 Smart WiFi Bridge Gateway and Door Sensor Set for Smart Lockboxes, APP Control for Home Office
$79.00 Save $5.00 RRP: $84.00
8X Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door Window Sensor Transducer Smart Life Home(1PCS)
$64.00 Save $35.00 RRP: $99.00
Tuya WIFI Smart Door Window Magnetic Sensor Security Alarm Open Closed Detector Home for Anti-Theft Door Rolling Door
$14.95 Save $9.00 RRP: $23.95
Smart ZigBee 3.0 Vibration Sensor Monitor Home Security Protection Motion Shock Home Outdoor Wireless Alarm
$19.95 Save $12.00 RRP: $31.95
Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless Fridge Alarm, 4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db
$43.95
2X Tuya WIFI Light Sensor Brightness Detector with Temperature Humidity Detection Display Smart Home Security Linkage
$69.00
10pcs Magnetic Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced
$19.95 Save $5.00 RRP: $24.95
M-809 Magnetic Wireless Door Sensor Burglar Alarm Detector for Home Security
$24.95