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Shop the best prices on 5,952 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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1,921 - 1,952 of 3,200
Tuya ZigBee Door Window Sensor Anti-Theft Alarm Smart Home Wireless Detector APP Remote Work with Home
$14.95 Save $3.00 RRP: $17.95
2Pcs WiFi Vibration Sensor Alarm Wireless Vibration Detector Black
$27.95 Save $8.00 RRP: $35.95
2Pcs WiFi Vibration Sensor Alarm Wireless Vibration Detector White
$27.95 Save $8.00 RRP: $35.95
Tuya ZigBee Smart Vibration Sensor Wireless Glass Break/Drop Detector
$29.95 Save $8.00 RRP: $37.95
Photocell Infrared Sensor Detector for Automatic Gate Obstacle Detector Anti-Theft Alarm System unbrand
$15.95
Smart WiFi Vibration Sensor Alarm Wireless Vibration Detector Alert Real-Time Activity & Shock Detection Black unbrand
$13.95 Save $2.00 RRP: $15.95
10pcs 433MHz Wireless Vibration Glass Break Detector, Adjustable Sensitivity, Compatible with Alarm Systems unbrand
$64.00
10pcs Magnetic Switch Door Window Security Alarm System B
$19.95 Save $6.00 RRP: $25.95
Trip Wire on Reusable Reel (2 Pack) - Early Warning Perimeter Defense for All Devices 85FT Line on Easy Wind Reel
$9.95
Tuya Smart Bluetooth Finger Robot Warp Switch Button Life App Voice Control Via , Assistant
$30.95 Save $5.00 RRP: $35.95
Smart Light Sensor with App Control for Smart Home Automation and Wide Lighting Range
$43.95 Save $20.05 RRP: $64.00
Wireless Tuya Zigbee Temperature and Humidity Meter Smart Detector
$18.95 Save $14.00 RRP: $32.95
Tuya WiFi Vibration Sensor Door Window Glass Broken Detector Home Security Anti-Theft Smart Life APP Real-Time Alert B
$33.95 Save $19.00 RRP: $52.95
Photocell Single Beam Active Infrared Beam Sensor Detector IR Alarm 15m for Automatic Barrier Fence Alarms
$18.95 Save $9.00 RRP: $27.95
3X Tuya Door Magnetic Alarm, Anti-Theft Alarm, WIFI APP Door Magnetic Opening Reminder Remote Alarm unbrand
$30.95 Save $18.00 RRP: $48.95
Tuya Smart WiFi Door Sensor 80dB Sound Window Sensor
$20.95 Save $15.00 RRP: $35.95
Wireless Outdoor Door Window Magnetic Alarm Sensor Waterproof Monitor Burglar Anti Theft Alarm Home Security
$32.95 Save $18.00 RRP: $50.95
Tuya Zigbee Smart Vibration Sensor Home Security Guard
$28.95 Save $17.00 RRP: $45.95
Tuya ZigBee Vibration Sensor Smart Home Vibrator
$21.95 Save $13.00 RRP: $34.95
Tuya Zigbee Illuminance Sensor IP67 Waterproof Light Sensor Brightness Detection Real Time App Control Sensor
$19.95 Save $12.00 RRP: $31.95
Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Window Alarm
$16.95 Save $1.00 RRP: $17.95
Tuya Zigbee Temperature and Humidity Sensor Voice Control
$54.00 Save $40.00 RRP: $94.00
2X E3Z-R61 NPN Photoelectric Beam Sensor with Bracket Mirror Reflection Photoelectric Switch Sensor 2m Range
$16.95 Save $9.00 RRP: $25.95
4PCS Tuya WiFi Vibration Detector Sensor Wireless Vibration Detector Real-Time Smart Life App Alerts for Home Security
$40.95 Save $23.05 RRP: $64.00
Garage Door Safety Sensor for Linear Garage Doors HAE00002 LSO50
$20.95 Save $15.00 RRP: $35.95
Wireless Outdoor Door Window Magnetic Alarm Sensor Waterproof Monitor Burglar Anti Theft Alarm Home Security
$27.95 Save $26.05 RRP: $54.00
Tuya ZigBee Door Window Sensor Anti-Theft Alarm Smart Home Wireless Detector APP Remote Work with Alexa Google Home
$10.95
Tuya Smart WiFi Door Sensor 80dB Sound Window Sensor Smart Life Arm Disarm Door Sensor APP Alert Alarm Door Sensor
$17.95
Tuya Zigbee Smart Vibration Sensor Home Security Guard
$21.95
16pcs Magnetic Garage Door Windows High Glossy Shiny Surface Looks Like Real Panels Decorative Hardware
$41.95 Save $22.05 RRP: $64.00
Tuya WiFi Smart Door Magnetic Sensor App Control USB Wireless Door & Window Sensor Door Magnetic Alarm Detector
$19.95 Save $2.00 RRP: $21.95
W100 Smart WiFi Bridge Gateway and Door Sensor Set for Smart Lockboxes, APP Control for Home Office
$84.00 Save $45.00 RRP: $129.00