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Security System Sensors

Shop the best prices on 10,748 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Dirtypigs and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Ireland.

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1,281 - 1,312 of 10,748
2025 Wireless Home Alarm,door And Window Alarm 4 Modes Magnetic Wireless Sensor
€38.95 Save €40.05 RRP: €79.00
Door Magnetic Sensor Embedded Reed Switch For Doors And Windows Waterproof Dustproof Home Anti-Theft Alarm
€19.95 Save €10.00 RRP: €29.95
Motion Sensor Outdoor, Automatic Security Sensor For Living Room, Kitchen, Hall, Garden, Terrace, Indoor/Outdoor Use
€24.95 Save €12.00 RRP: €36.95
24Pcs Door and Window Alarm Electronic Alarm Window Alarm Sensor
€33.95
Smart WiFi Door and Window Alarm Sensor, Remote Anti-Theft Alarm
€14.95
Tuya Matter Thread Door Window Sensor
€20.95
Wireless Security Alarm, Door Window Sensor, 90db, 10Pcs
€15.95
Smart Door Magnetic Sensor Anti-Theft Alarm for Door and Window Smart Home Security Detection
€28.95 Save €15.00 RRP: €43.95
Door Window Open Alarm, Wireless Remote Control Magnetic Sensor
€10.95 Save €13.00 RRP: €23.95
Wired NC Magnetic Door Window Contact Sensor, Black ABS Housing
€7.95 Save €2.00 RRP: €9.95
Magnetic Sensor Magnetic Switch Sensor Window Door Alarm Security Detector Wired Contact Magnetic Wide Gap for Home Garage-Yvan
€20.95 Save €27.00 RRP: €47.95
Magnetic Sensor Switch - Wired For Home Garage Alarm Monitoring
€18.95 Save €16.00 RRP: €34.95
Infrared Beam Sensor Intrusion Alarm Outdoor Long Distance Infrared Detector AC1218V DC1224V 60m/196
€45.95 Save €43.05 RRP: €89.00
10 Pack Window Alarm Wireless Door Magnetic Sensor Alarm For Home Security System, Pool Door Alarm
€59.00 Save €50.00 RRP: €109.00
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
€10.95 Save €9.00 RRP: €19.95
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alar
€30.95 Save €15.00 RRP: €45.95
1-10pcs WiFi Smart Door Window Sensor Home Security Alarm Detector For Alexa Google Home
€18.95 Save €8.00 RRP: €26.95
Home & Garden > Business & Home Security > Security System Sensors
€11.95 Save €5.00 RRP: €16.95
Door And Window Alarm, Wireless Door And Window Detectors With Remote Control And Batteries, Anti-intrusion Anti-theft Magnetic Sensor For e And Ki
€17.95 Save €6.00 RRP: €23.95
Infrared Beam Sensor for Gates, Doors & Window - External Alarm Detector--Black
€17.95 Save €2.00 RRP: €19.95
Callback Locator Anti-Theft Voice-Activated Sensor Alarm N9
€17.95
Solar Animal Repeller Alarm Long Range Sound Light Outdoor Infrared Sensor Alarm with Remote Control for Orchard 1W 5V
€32.95 Save €31.05 RRP: €64.00
Tuya Smart Bluetooth Finger Robot Warp Switch Button Life App Voice Control Via , Assistant
€22.95 Save €5.00 RRP: €27.95
Air quality tester multifunctional carbon dioxide CO2 tester
€54.00 Save €10.00 RRP: €64.00
CO2 Detector Semiconductor Air Quality Monitor Temperature Humidity Sensor H8 Plus ZNAZGG01
€31.95 Save €37.05 RRP: €69.00
Alarm Magnetic Contact for Roller Shutter Garage Door Sensor NF
€27.95 Save €26.05 RRP: €54.00
Negative Battery Cable AV6N-10C679- for Focus Escape Transit 2012-2018 Battery Management System Sensor AV6N-10C679-GB
€44.95 Save €14.05 RRP: €59.00
SONOFF SNZB-02 ZigBee Smart Temperature Humidity Sensor Indoor Thermometer
€64.00 Save €45.00 RRP: €109.00
Tuya Door Window Sensor Zigbee Mini Wireless Connection Detector Smart Home Security Work with Alexa Google Home Smart Life 6pcs879
€79.00
Adjustable Voice Notification Door Alarm for Windows and Doors, Suitable for Garage and Cellar Use unbrand
€48.95 Save €20.05 RRP: €69.00
Freezer Door Alarm With Delay When Left Open, Door Chime Window Open Alarm Close Doors Reminder Loud 130 Db, 5 Modes
€18.95 Save €32.00 RRP: €50.95
RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Recessed Switch White - (6 Sets)
€8.95