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Shop the best prices on 10,877 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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2,369 - 2,400 of 3,200
10pcs Magnetic Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced A
$23.95 Save $7.00 RRP: $30.95
Window Sensor Zigbee Wireless Connection Smart Mini Door Sensor Home Assistant for Gateway Home
$18.95 Save $10.00 RRP: $28.95
For Tuya Smart Home Zigbee Temperature And Humidity Sensor Thermometer
$49.95 Save $69.05 RRP: $119.00
SONOFF SNZB-04P Zigbee Door Window Sensor Local Smart Scene Linkage Tamper Alert Home Security Works With Alexa Google Home
$43.95
Magnetic Sensor Magnetic Switch Sensor Window Door Alarm Security Detector Wired Contact Magnetic Wide Gap for Home Garage-Yvan
$27.95 Save $51.05 RRP: $79.00
Glass Break Alarm 125dB Window Vibration Detector Sensor Alarm 3 Pack Ultra-Slim Anti-Theft Alarm for Door and Window with Ajustment Sensitivity
$38.95 Save $100.05 RRP: $139.00
Tuya WiFi SOS Panic Button, Smart Life APP Alert, Wall/Neck Strap for Elderly Kids
$47.95 Save $26.05 RRP: $74.00
调用 AI 接口失败: Connection error. Ref: 6822
$29.95 Save $15.00 RRP: $44.95
WiFi Vibration Sensor with RealTime Alerts Sensitivity and Long Battery Life for Tuya Devices
$26.95 Save $14.00 RRP: $40.95
ZigBee Vibration Sensor Smart Home Door Window Alarm with RealTime Alerts and Long Standby
$23.95 Save $12.00 RRP: $35.95
调用 AI 接口失败: Connection error. Ref: 6291
$26.95 Save $14.00 RRP: $40.95
6X Wired Dual Beam Photoelectric Infrared Sensor Barrier Detector 100M Alarm Tamper Alarm for Park Burglar Alarm System
$119.00 Save $60.00 RRP: $179.00
Magnetic Remover Clothing Hard Tag Remove - Security Tag Detacher for Easy Tag Removal
$23.95
Door And Window Alarm, Wireless Door And Window Detectors With Remote Control And Batteries, Anti-intrusion Anti-theft Magnetic Sensor For Home And Ki
$21.95 Save $22.00 RRP: $43.95
Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds, 4 In 1 Door Sensor
$29.95 Save $11.00 RRP: $40.95
Single Beam Infrared Radiation Detector Automatic Door Light Sensor Burglar Alarm Infrared Alarm Detector ABO-30
$22.95
door single beam infrared beam alarm waterproof high sensitivity infrared beam sensors for schools homes black
$30.95 Save $28.05 RRP: $59.00
TUYA WIFI Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor 2.4G WiFi Smart Home 1M
$18.95
Tuya Wifi Door Window Sensor Smart Anti-Theft Alarm Real-Time Alerts App Control Smart Home Security
$13.95 Save $7.00 RRP: $20.95
Infrared Photoelectric Sensor Beam 12v/24v Outdoor Waterproof Infrared Sensor Gate Signal for Slide Gate Opener Safety
$14.95 Save $8.00 RRP: $22.95
Brake Wheel Speed Sensor 4013251 Quick Response Real Time Monitoring Precise Adjustment Replacement for Polaris
$119.00 Save $130.00 RRP: $249.00
Anti-Theft Refrigerator And Freezer Alarm, Door Window Left Open, Reminders At 30 Seconds Edition 0830
$23.95 Save $30.05 RRP: $54.00
25-26 4pcs Door and Window Alarm Magnetic Wireless Sensor for Home Security System Child Safety - Anti-Intrusion Anti-Theft Burglary Detectors 120dB S
$44.95 Save $44.05 RRP: $89.00
25-26 High-quality Infrared Beam Sensor Automatic Gate Door Garage Shutter Barrier Detector
$29.95 Save $29.05 RRP: $59.00
25-26 Magnetic Sensor Switch - Wired For Home Garage Alarm Monitoring
$20.95 Save $21.00 RRP: $41.95
25-26 NEW Tuya Door Sensor Wifi Window Shatter Sensor Door Window Magnetic/shock Detector
$48.95 Save $50.05 RRP: $99.00
25-26 WiFi Door Alarm Sensor with 80dB Sound & Visual Alerts, Tuya App Compatible, Push Notifications for Home & Garage Security
$27.95 Save $31.05 RRP: $59.00
25-26 Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install
$20.95 Save $21.00 RRP: $41.95
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
25-26 Infrared Beam Detector Burglar Ir Alarms Sensor Alarm System
$25.95 Save $26.00 RRP: $51.95
25-26 NEW Tuya Door Sensor Wifi Window Shatter Sensor Door Window Magnetic/shock Detector
$48.95 Save $50.05 RRP: $99.00
Magnetic Sensor Home Door Window Entry Warning Alarm Switch
$6.95