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Security System Sensors

Shop the best prices on 5,103 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Maikaisen, Gze and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Canada.

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1,057 - 1,088 of 3,200
2pcs Garage Door Bracket for Ring Alarm Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Security Accessory
From $22.95
RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Recessed Switch White - (6 Sets)
From $9.95
DFROBOT 24GHz MmWave C4001 Sensor Human Presence Distance Velocity Detection Sensor 25M UART for Real-Time Monitoring Tracking
From $36.95
Recessed Door Contact Sensor 10pcs Concealed Magnetic Reed Switch for Security Alarm Systems
From $25.95
Wired Magnetic Door Sensor with Durable Metal Housing for Home Security Alarm Windows and Doors
From $27.95
MC33C Magnetic Door Window Contact Sensor, Normally Closed Recessed Alarm Reed Switch (6 Sets)
From $25.95
Magnetic Reed Switch Door Window Security Sensor NO NC Dual Wiring Low Voltage 2 Sets
From $21.95
Garage Door Sensor Magnetic Switch with Adjustable Bracket and 15in Armored Wire 2 Sets
From $38.95
Power Failure Alarm AC 220V with LED Indicator, 120dB Loud Siren, Automatic Outage Detection CN Plug
From $21.95
Magnetic Contact Sensor Pack of 20 NO Type Recessed Wired Door Window Alarm Switches
From $89.00
10PCS SW420 Vibration Sensor Module Set with Extended Trigger and Clean Output for Alarm Systems
From $19.95
Touchless Infrared Exit Button with Blue Backlight, Stainless Steel Hands Door Release Sensor
From $23.95
Smart Light Sensor Zigbee Optical Control Device with App Control for Home Automation
From $47.95
WiFi Smart Zigbee Temperature and Humidity Sensor LCD Screen History Record Smart Home Security Remote Control unbrand
From $17.95
4in1 Multi-Functional Door Magnetic Alarm Touch Button Door and Window Alarm Displacement Alarm Sensor 125dB
From $10.95
Smart Home Light Sensor with App Control, Brightness Adjustment, Energy Saving for Home and Office
From $39.95
Outdoor Infrared Beam Sensor 100m Dual Beam Wired Detector for Perimeter Security Alarm
From $239.00
Trip Wire for Perimeter Security, Reusable Reel, Silicone Coated Alarm Cord for Camping and Outdoor Use
From $19.95
SW420 Vibration Sensor Module 10 Pack, Long Trigger Motion Detection for Alarm and Smart Vehicles
From $19.95
Wireless Door Alarm with Magnetic Sensor, 52 Sounds, 20m Range, Battery Powered for Home and
From $39.95
Wireless Vibration Sensor with Adjustable Sensitivity for Home Security Doors and Windows
From $25.95
Magnetic Contact Switch with Rolling Design, Wired Gate Door Alarm Sensor, Easy Adhesive Mounting
From $21.95
10 Pack Magnetic Door Window Alarm Sensors for Home Security and Kids Safety with Loud Alert
From $49.95
12V/24V Touchless Infrared Sensor Switch with LED, Hands Door Access Control Button White 86x86mm
From $27.95
Smart Light Sensor ZigBee WiFi compatible with TUYA for Home Automation and Energy Saving
From $33.95
Smart Vibration Sensor with WiFi Window Door Alarm, RealTime Alerts, Home Security Detector
From $33.95
Smart Vibration Sensor Compatible with Tuya App, Instant Motion Alerts, Smart Sensitivity Control
From $41.95
Tuya Zigbee Multifunctional Pressure Sensor Flexible Thin Film Pressure Sensor Smart Linkage Smart Life APP Length 40cm unbrand
From $37.95
Door Window Alarm 130dB Loud WiFi Smart Life Compatible Door Sensor Two Pack for Home Security
From $64.00
Wireless Door and Window Alarm 7 Pack, 110dB Loud Home Security Sensor with 4 Modes, Battery Operated
From $64.00
Wireless phototube 12V/24V battery-powered infrared sensor detector, suitable for automatic door openers (battery not included).
From $33.95
eTIGER ES-D3C Wireless Door and Window Alarm 433MHz Contact Alarm with Power Supply, Compatible with eTiger Alarm Systems
From $129.00