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Security System Sensors

Shop the best prices on 10,695 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Nedis and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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513 - 544 of 3,200
Application Notification Seamless Integration With Hubitat Hands-free Control With Alexa Echo Devices Versatile Home Automation
$39.95 Save $12.00 RRP: $51.95
Intelligent Door Magnetic Detector Wireless Home Hotel 433 Door Magnetic Induction Alarm Door And Window Alarm
$109.00 Save $120.00 RRP: $229.00
Single White Beam Photoelectric Sensor Detector Beam 10m/30FT Distance for Auto-Door
$35.95 Save $9.00 RRP: $44.95
R558S Capacitive Fingerprint Module for Access Control & Security Systems
$21.95 Save $15.00 RRP: $36.95
Best Professional GPS Tracker Detector - GPS Finder with High Accuracy
$109.00 Save $150.00 RRP: $259.00
Door and Window Alarm Sensor, 10 Pack NC Wired Recessed Magnetic Reed Switch for Home Security, Brown
$24.95 Save $13.00 RRP: $37.95
Power Outage Alarm 120dB Loud Siren with LED Indicator for Home Office 220V Power Failure Alert
$20.95 Save $11.00 RRP: $31.95
Infrared Beam Sensor Outdoor Alarm Weatherproof Single Beam for Home Door and Window Security
$28.95 Save $14.00 RRP: $42.95
Magnetic Remover Clothing Hard Tag Remove/Security Tag Detacher
$12.95 Save $12.00 RRP: $24.95
Wireless Curtain Motion Detector Wide Coverage Smart Curtain PIR Sensor for Window Protection
$22.95 Save $28.00 RRP: $50.95
Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack)
$84.00 Save $45.00 RRP: $129.00
Dc12v Infrared Photocell Beam Sensor Automatic Gate Door Garage Shutter Barrier Detector For Door Window Burglar Alarm System Sliding Gate Opener Acc
$52.95 Save $11.05 RRP: $64.00
26-27 WiFi Temperature Sensor Tuya Thermometer Detector Digital Display Home Smart Life App Alert Freezer Water Alarm EU Plug new
$59.00 Save $60.00 RRP: $119.00
Magnetic Sensor Magnetic Switch Sensor Window Door Alarm Security Detector Wired Contact Magnetic Wide Gap for Home Garage-Yvan
$14.95 Save $10.00 RRP: $24.95
Infrared Sensor Security Alarm Anti-theft Motion Detectors For Home Guard System
$35.95 Save $33.05 RRP: $69.00
Door And Window Alarm, Wireless Door And Window Detectors With Remote Control And Batteries, Anti-intrusion Anti-theft Magnetic Sensor For e And Ki
$25.95 Save $9.00 RRP: $34.95
Door And Window Alarm, 2 Remote Controls, 130db Siren, Adjustable Volume, 5 Function Modes Alarm, Magnetic Security Sensor, Wireless Home Alarm For Ho
$41.95
Active Infrared Beam Sensor Anti Theft for Gate Openers Access Control Security Alarm System
$28.95 Save $9.00 RRP: $37.95
Hidden Camera Detectors, Listening Device Detector, GPS Tracker Detector, Anti-Spy Detector, Bug Detector Electronic Sweeper, RF Signal Detector, 5 Le
$36.95 Save $42.05 RRP: $79.00
DS618 Intelligent Signal Detector Sensitive Vibration Sensor Night Vision Detector for Security Testing Scanning
$129.00 Save $40.00 RRP: $169.00
Tuya Zigbee Temperature Humidity Sensor Smart Home Indoor Thermometer Hygrometer APP Remote Monitor Works with Alexa Google
$35.95 Save $7.00 RRP: $42.95
A Pair Normally Closed Magnetic Window Door Safety Alarm Switch Metal Housing
$14.95 Save $8.00 RRP: $22.95
Infrared Beam Sensor Intrusion Alarm Outdoor Long Distance Infrared Detector AC1218V DC1224V 60m/196.9ft
$54.00 Save $30.00 RRP: $84.00
Emergency Light 2 Head Bright White 9W LED Emergency Lighting for Office Business
$69.00 Save $20.00 RRP: $89.00
Door Sensor Alarm 0 to 6.6yd Infrared Body Induction Remote Control 2W Speaker Motion Sensor Doorbell for Home Warehouse
$59.00 Save $35.00 RRP: $94.00
Compact Singal Radiation Beam Door Window Infrared Detector Alarm for Home Security
$19.95 Save $12.00 RRP: $31.95
Smart Rain Sensor Solar Charging Real Time Water Resistant Light Rainwater Detector with App Alert for Zigbee for Tuya
$40.95 Save $23.05 RRP: $64.00
Light Sensor Smart Automatic Adjustment Wireless Connection WiFi Brightness Sensor for Tuya for Living Room Bedroom for Zigbee Type
$33.95 Save $20.05 RRP: $54.00
5 Sets Magnetic Reed Switch DC100V Normally Open Closed Recessed Wired Door Window Sensor Switch for Alarm System White
$27.95 Save $16.00 RRP: $43.95
Infrared Beam Sensor Intrusion Alarm Outdoor Long Distance Infrared Detector AC1218V DC1224V 100m/328.1ft
$54.00 Save $30.00 RRP: $84.00
10pcs Wired Door Window Sensor Magnetic Switch for Home Alarm System
$19.95 Save $11.00 RRP: $30.95
Light Curtain Sensor Switch Safety Light Grating Security Device(10 Beams BEM1040-C-360NB)
$139.00 Save $70.00 RRP: $209.00