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Security System Sensors

Shop the best prices on 5,936 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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1,729 - 1,760 of 3,200
Single White Beam Photoelectric Sensor Detector Beam 10m/30FT Distance for Auto-Door
$35.95 Save $8.00 RRP: $43.95
Tuya ZigBee Smart Door and Window Sensor Burglar Magnetic Sensor with Scene Interaction Button APP Remote Control
$22.95 Save $13.00 RRP: $35.95
2PCS Tuya Smart WiFi SOS Button Emergency Wireless Security Alarm Panic Device for Safety Smart Life Remote
$29.95 Save $15.00 RRP: $44.95
4 Pcs Tuya WiFi SOS Emergency Button Wireless One Key Call Help Home Elderly Children Security Protection B
$64.00 Save $35.00 RRP: $99.00
3X Tuya Smart ZigBee 3.0 Smart Temperature and Humidity Sensor Battery Powered with Tuya Smart Life App Alexa(C)
$35.95 Save $18.05 RRP: $54.00
Tuya Zigbee Illuminance Sensor IP67 Waterproof Light Sensor Brightness Detection Real Time App Control Sensor
$22.95 Save $5.00 RRP: $27.95
​Professional DVB-T TV Antenna Finder Digital Aerial Signal Meter Satellite Receiver Tool​
$30.95 Save $10.00 RRP: $40.95
MC-38 Wired Door Window Sensor Wire Magnetic Switch Home Alarm System N.C Type Multicolor
$14.95
SW420 Precise Vibration Activated Switches Energy Efficient and Seamlessly Integration for Automation Security Systems Multicolor
$15.95
Tuya Smart Temperature and Humidity Sensor WiFi APP Remote Monitor for Smart Home Var SmartLife Work with Alexa unbrand
$13.95 Save $9.00 RRP: $22.95
Magnetic Door Switch RC-33 NC Recessed Wired Sensor Alarm (10 Sets)
$14.95 Save $11.00 RRP: $25.95
Infrared Wireless GSM Alarm Anti-Theft Motion Detector with EU Plug
$29.95 Save $22.00 RRP: $51.95
Door and Window Alarm Multi-Functional Anti-Theft Alarm Wireless Remote Control Door Sensor Alarm 130DB Door Sensor Walk 3843 B
$44.95 Save $24.05 RRP: $69.00
WiFi Door Sensor, Smart Door Window Sensor,for Assistant
$21.95 Save $1.00 RRP: $22.95
Magnetic Door Switch RC-33 NC Recessed Wired Sensor Alarm (10 Sets)
$20.95 Save $1.00 RRP: $21.95
3pcs 433MHz Wireless Vibration Glass Break Detector, Adjustable Sensitivity, Compatible with Alarm Systems Black unbrand
$24.95 Save $17.00 RRP: $41.95
Tuya ZIGBEE Wall Emergency Button APP Smart Home Sensor 8x6 ZigBee Intelligent Remote Alarm unbrand
$29.95 Save $21.00 RRP: $50.95
Tuya Zigbee Multifunctional Pressure Sensor Flexible Thin Film Pressure Sensor Smart Linkage Smart Life APP Length 80cm unbrand
$51.95 Save $37.05 RRP: $89.00
5pcs 433MHz Wireless Vibration Glass Break Detector, Adjustable Sensitivity, Compatible with Alarm Systems unbrand
$36.95 Save $27.05 RRP: $64.00
Tuya WiFi Temperatures Humidity Sensor with External Probe Wireless Temperatures App Monitor for Freezer Fish Tank unbrand
$21.95 Save $16.00 RRP: $37.95
for 117 25700071 Magnetic Switch
$139.00 Save $10.00 RRP: $149.00
Smart Magnetic Door Sensor Zigbee Door Sensor for Home Security Wireless Contact Sensor Programmable with Smart Life unbrand
$13.95 Save $10.00 RRP: $23.95
Zigbee Temperature Humidity Sensor Work with
$19.95 Save $1.00 RRP: $20.95
2 Pcs Tuya Zigbee Smart Temperature Humidity Sensor
$33.95 Save $2.00 RRP: $35.95
WiFi Door Window Sensor APP Smart Home Security Protection Door Open Closed Detector for Alexa Yandex unbrand
$13.95 Save $11.00 RRP: $24.95
3X Tuya ZigBee Devices Button Scene Switch Intelligent Linkage Smart Switch Battery Powered Work with Smart Life
$23.95
DC 12v 24v Infrared Sensor Detector Door Safety Photocell Beam Sensor for Automatic Door unbrand
$17.95 Save $13.00 RRP: $30.95
10 Sets 433MHz Wireless Magnetic Door Window Sensors for Enhanced Home Security Compatible with Home Burglar Systems unbrand
$44.95 Save $34.05 RRP: $79.00
Wireless Door and Window Vibration Sensor Alarm 125dB White
$13.95 Save $8.00 RRP: $21.95
Trip Wire on Reusable Reel (1 Pack) - Early Warning Perimeter
$22.95 Save $17.00 RRP: $39.95
3X Sensor Wireless Connectivity User-Friendly App Smart Wifi Temperature and Humidity Sensor for Home Iot Device
$17.95
Tuya ZigBee Door Window Sensor Anti-Theft Alarm Smart Home Detector
$12.95 Save $8.00 RRP: $20.95