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Security System Sensors

Shop the best prices on 10,932 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Gze, Dirtypigs and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United Kingdom.

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801 - 832 of 3,200
Magnetic Wireless Door & Window Alarm with Powerful Siren, Door Opening Detector, Pack of 1 - New SZRH A-G Model
From £21.88
Metal NC Magnetic Garage Door Switch
From £16.73
2 Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless Fridge Alarm, 4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db Jske
From £24.35
Tuya Smart Door Sensor Alarm: Thread Door Window Sensor, USB-Powered, Smart Home Security Device for Home Protection
From £32.74
Refrigerator Freezer Door Open Alarm with 30-Second Timer Reminder for Home Safety
From £27.25
Anti-Theft Door Window Alarm Kit with Contact Sensors
From £24.05
Wi-fi Wireless Door/window Sensor No Gateway Required Support To Check History Record On App,3pcs
From £40.13
WiFi Smart Light Sensor | Waterproof Outdoor Brightness Intelligent Detector
From £22.13
Sensor Smart Wireless Mini Switch Key Zigbee Connection Remote One Key Control Button Home Security 3pc
From £18.95
Sensor Smart Wireless Mini Switch Key Zigbee Connection Remote One Key Control Button Home Security 3pc
From £19.95
Wired network temperature alarm for computer room, temperature rise and settling optional, 504 compatible
From £39.95
2pcs Multifunction Door Alarm Sensor Wireless Burglary Remote Control Door Window Alarms For Home Hotel
From £22.03
MC-31 Surface Mount Wired NC Door Contact Sensor Alarm Magnetic Reed Switch for Window Door Security 10pcs 20pc Screws Multicolor
From £16.42
Home Security Burglar Alarm Wireless Door Opening Alarm Anti Theft Intruder Enter House Magnetic Sensor Door Window
From £7.95
2 Pack Adjustable Delay Door Window Open Sensor Alarm for Child Safety Home Shops
From £19.20
Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install
From £25.13
Turbidity Sensor Suspended Turbidity Value Detection Module Kit for
From £10.95
Garage Door Bracket for Ring Alarms Contact Sensors(2nd Gen), Easy-to-Install Garage Door Safety Ac
From £6.95
Door And Window Alarm - Lot 4x Wireless Intrusion Alarm - Home Security Against Burglary - Magnetic Operation - 100 Db erfg
From £33.54
Compact door opening detector with alarm sound
From £23.70
Compatible With Tuya Zigbee Multifunctional Pressure Sensor Flexible Thin Film Pressure Sensor Smart Linkage Smart
From £35.53
XYCY-WIFI window alarm door safety alarm sensor, intelligent sound alarm application remote control automatic control automatic anti -theft detection
From £51.78
2025 Wireless Window Alarm 100dB Anti-Theft Magnetic Sensor Alarm
From £18.70
2025 ZigBee NEO 90DB Sound and Light Sensor Tuya Smart Life Built-in Siren
From £10.24
Wireless Door and Window Security Alarm with Magnetic Sensor for Home Protection (7 pcs)
From £16.79
Window Security Alarm with Loud Alert, Battery Powered Touch Sensor for Doors, Windows, Dorms
From £13.19
Mini Magnetic Door Window Contact Sensor SF20RB Compatible, Accurate OpenClose Detection
From £15.59
Smart Light and Rain Sensor Zigbee Compatible with Tuya 2 in 1 Solar Powered IPX6 Waterproof Wireless Detector
From £29.99
Brake Wheel Speed Sensor 4013251 Quick Response Real Time Monitoring Precise Adjustment Replacement for Polaris
From £48.65
Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack)
From £44.78
Enable Automation Scene Linkage With Tuya ZigBee Pressure Sensor for Gravity Detection | 400mm
From £38.28
Burglar Alarm System Infrared Beam Detector IR Alarms Sensor
From £7.95