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Security System Sensors

Shop the best prices on 11,836 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 - 32 of 3,200
TUYA WIFI Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor 2.4G WiFi Smart
$19.95
TUYA Zigbee Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor Smart Home 2M
$17.95
12V 3A Power Supply Adapter Universal Power Adapter Transformer for Monitor
$18.95 Save $6.00 RRP: $24.95
WiFi Power Outage Alarm with Smart App Notifications, 110dB Alert for Freezer and Sump Pump
$35.95 Save $28.05 RRP: $64.00
WiFi Temperature Sensor with App Alerts, Waterproof Probe, Rechargeable Battery for Freezer and Fridge
$49.95 Save $24.05 RRP: $74.00
Tuya Zigbee Illuminance Sensor IP67 Waterproof Light Sensor Brightness Detection Real Time App Control Sensor
$18.95
13,000gs Magnetic Security Tag Remover Golf Detacher For Eas Security System
$44.95 Save $64.05 RRP: $109.00
Power Failure Alarm with 120dB Siren and LED Indicator for Home Office Safety (Needs 9V Battery)
$22.95 Save $12.00 RRP: $34.95
Tuya WiFi Vibration Sensor 130dB Sound Light Alarm Smart APP Real-Time Vibration Reminder Home Security Shock Detector
$16.95
Best Professional GPS Tracker Detector - GPS Finder with High Accuracy
$84.00 Save $115.00 RRP: $199.00
Sensor Bar Compatible With Wii, Replacement Wired Infrared Ray Sensor Bar
$3.95 Save $4.00 RRP: $7.95
DOBERMAN SE-0119 Household Anti-theft Wireless Remote Control Door Magnetic Sensor Alarm
$42.95
2024 Aqara Light Sensor T1 Zigbee 3.0 Brightness Sensor Smart Home Light Change Controlled for Home
$14.95 Save $8.00 RRP: $22.95
Multi-Purpose 2 in 1 Door Sensor for Door Opener Infrared Safety and Radar Safety Sensor for Automatic Door(Black)
$139.00 Save $100.00 RRP: $239.00
1 Pair Automated Gate Safe Infrared Detector Sensor/ Swing /Sliding/Garage Gate / Door Safety Infrar
$17.95 Save $9.00 RRP: $26.95
4Pcs Tuya WiFi Smart Temperature Humidity Sensor Indoor Humidity Sensor APP Monitoring for Alexa Google Home Assistant
$34.95 Save $54.05 RRP: $89.00
Wireless Vibration Alarm 120dB Alarm Sound Safe Prevent Theft Door Window Alarm Sensor for Home
$10.95 Save $2.00 RRP: $12.95
Anti-Theft Refrigerator And Freezer Alarm, Door Window Left Open, Reminders At 30 Seconds
$17.95 Save $23.00 RRP: $40.95
Power Off Detector Sensor Large Volume Wired Alarm System
$16.95 Save $10.00 RRP: $26.95
Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless Fridge Alarm, 4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db
$32.95
Negative Battery Cable AV6N-10C679- for Focus Escape Transit 2012-2018 Battery Management System Sensor AV6N-10C679-GB
$59.00 Save $20.00 RRP: $79.00
Smart WiFi Door and Window Alarm Sensor with Open/Close Detection Function, Remote Anti-Theft Alarm
$20.95 Save $6.00 RRP: $26.95
Infrared Wireless GSM Alarm Anti-Theft Motion Detector with EU Plug
$27.95 Save $2.00 RRP: $29.95
Tuya Smart ZigBee 3.0 Smart Humidity Sensor with Tuya Smart (C)
$19.95
Magnetic Clothing Security Tag Remover, Hard & Security Tag Detacher for Retail Stores Edition 0816
$25.95 Save $28.05 RRP: $54.00
Wireless Door Window Sensors 433MHz for Home Security Alarm System Home Burglar Alarm Kits Edition 0923
$69.00 Save $60.00 RRP: $129.00
Freezer Door Alarm When Left Open, Safety Window Alarm, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-in-1 Door Sensor Chime Door Open
$32.95
Freezer Door Alarm When Left Open,fridge Door Alarm With Delay Upgrade 3/15/30/60 Seconds Security, Adjustable Delay Wireless Fridge Alarm Door Open C
$79.00 Save $60.00 RRP: $139.00
2x Door/ Window Tuya Wifi Sensor Connection Smart Mini Door Sensor Security Work With Smart Life App
$33.95
Zigbee Home Automation Scene Security Alarm Battery Powered Temperature Sensor Wireless Smart
$54.00
Tuya Smart Vibration Sensor ZigBee Tuya Sensor Monitor App Control Security Protection Zigbee Senso
$17.95
Embedded Tuya Wifi/zigbee Smart Human Presence Detector Millimeter Wave Radar Detection Sensor Support Intelligent Linkage
$69.00