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Security System Sensors

Shop the best prices on 5,438 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Gze, Maikaisen and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Canada.

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1,313 - 1,344 of 3,200
2025 1-10x Tuya Zigbee Mesh Smart Door Sensor Door Open / Closed Detectors Security Protection Smart Life APP Control Via Alexa Google Home
From $30.95
LD2416 Radar Module Smart Home Stationary Detection Module 24G Human Presence Sensing APP
From $14.95
LD2416 Radar Module Smart Home Stationary Detection Module 24G Human Presence Sensing APP
From $14.95
12V Wired Dual PIR Motion Sensor Alarm for Home Security, Infrared Detector with False Alarm Reduction
From $25.95
Wireless Door and Window Alarm 120dB Loud Battery Operated Home Security Sensor White AntiTheft
From $25.95
Wireless Door and Window Alarm 120dB Loud Alert, 4 Modes, Easy Install Magnetic Sensor for Home Security (7 Pack)
From $419.00
WiFi Door and Window Sensor 2 Pack, Smart Door Sensor with Instant App Alerts, No Hub Required for Home Security Automation
From $74.00
Touchless Infrared Door Release Button with LED Indicator and Wireless Remote for Home Security
From $524.00
120dB Touch Sensor Door Handle Alarm and Anti Theft Vibration Window Alert for Home Security
From $27.95
Window Alarm Set with Extra Loud 130dB Vibration Sensors for Home, Office and RV Security, 6 Pack Black
From $249.00
WiFi Smart Door Sensor, Wireless Magnetic Window Open/Close Detector for Home Automation
From $26.95
Magnetic Door Contact Sensor Reed Switch Alarm NC Surface Mount for Wooden Door Window ABS White 50 Pack
From $179.00
2X Magnetic Sensor Home Door Window Entry Warning Alarm Switch
From $6.95
Mechanical Tamper Switch Plunger Contact Security Enclosure Alarm Door 3Pcs Normally Closed Metal Housing Screw Mount
From $11.95
SONOFF DW2 WiFi Door Window Sensor Wireless Sensor Detector eWeLink App Notification Alerts Smart Home Security
From $169.00
SONOFF SNZB-04 ZigBee Wireless Door Window Sensor ON/ OFF Sync Status on e-WeLink Smart Home Security Works with ZigBee Bridge
From $109.00
Wireless Home Security Touch Door Sensor,120db Anti Theft Security Alarm Loud Door Knob
From $15.95
Freezer Door Alarm, Window Security Alarm, Wireless Fridge Alarm, 4 In 1 Door Sensor Doorbell Door
From $21.95
Wireless Door Window Sensor App Notification Alerts For Smart Home Security Alarm Works With Rf Bridge,433mhz GreenZech
From $33.95
Loud 100db Wireless Magnet Dual Triggered Sensor Door Window Alarm GreenZech
From $43.95
Broadlink DS4 Smart S3 Door Sensor Open / Closed Detectors Life Compatible With Alexa
From $27.95
DC12V Infrared Photocell Beam Sensor Automatic Gate Door Garage Shutter Barrier Detector for Door Wi
From $22.95
1pair 20m Simple Beam Alarm Photoelectric Infrared Sensor Detector Home Door Security System
From $19.95
Infrared/IR Beam Detector Sensor for Perimeter Protection Outdoor Security System
From $20.95
Wireless Infrared Gate Beam Sensor Anti Theft Alarm IP55 Waterproof for Station Automatic Door
From $36.95
Infrared Beam Sensor Intrusion Alarm Outdoor Long Distance Infrared Detector AC12‑18V DC12‑24V 100m/
From $54.00
Door Window Magnetic Contact Alarm Burglar Security Safety System for Shop Garage Supermarket
From $11.95
Tuya ZigBee Smart Vibration Sensor for Door and Window Detection, Real-Time Monitoring Alarm, Security Edition 0711
From $31.95
WinAPEX ET8101 Digital Multimeter True RMS Full Protection AC/DC Voltage Current Resistance Capacitance with LCD Backlight
From $26.95
2026 Good!! ZigBee Wireless Door and Window Sensor, Alert Your Smartphone, Compatible with Alexa/Google Home, SONOFF Zigbee Bridge Required, Batteries
From $64.00
2026 Good!! Magnetic Switches 110-220V Wire Door Magnetic Switches for Office Security Window Door Contact Sensors Alarm Switches Brass
From $89.00
Smart Home Zigbee Solar Rain Sensor Wireless App Control Real-Time Rain Detection for Garden Automat
From $29.95