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Security System Sensors

Shop the best prices on 11,077 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on Aura, ZENGO, GreenZech and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United Kingdom.

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129 - 160 of 11,077
Magnetic Sensor Home Door Window Entry Warning Alarm Switch
£3.95 Save £2.00 RRP: £5.95
2-Pack Tuya Smart WiFi Temperature and Humidity Sensors for Remote Home Monitoring in the UK
£20.95 Save £12.00 RRP: £32.95
Tuya Smart WiFi Door and Window Sensor with Magnetic Alarm for Home Security
£15.95 Save £12.00 RRP: £27.95
Real Sensor Open Home Detector Color Black Security System Compatible Instant Notifications
£16.79 Save £8.39 RRP: £25.18
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets) hwy
£12.95
Adjusted Volume Door Window Security Alarms, Chime Sensor for Home & Kids Safety (4 Pack)
£37.93 Save £25.29 RRP: £63.22
Heavy Duty Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC with Adjustable BracketSilver SZRH
£12.95 Save £20.00 RRP: £32.95
Wireless Mail Notification with LED Light for up to 800 Ft Range
£22.33 Save £14.89 RRP: £37.22
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)White SZRH
£6.95 Save £18.00 RRP: £24.95
White Magnetic Door Switch, Wired Security Sensor for Windows and Doors, 10 Sets
£9.06 Save £11.78 RRP: £20.84
433MHz Wireless Door Sensor Alarm for Home Security Monitoring
£48.46 Save £12.12 RRP: £60.58
Intelligent 433MHz Door Magnetic Detector Alarm for Home Security
£48.46 Save £12.12 RRP: £60.58
Enhanced Wired Metal Door Window Magnetic Contact Sensor Alarm System - New Arrival
£53.38 Save £35.58 RRP: £88.96
Glass Break Detector, Window Alarm with 125dB Alarm, Glass Vibration Sensor Alarm for Your Home, Office (2 Pieces),_c0.1563
£18.31 Save £4.59 RRP: £22.90
For 1 Pcs Trip Wire On Reusable
£40.95 Save £43.05 RRP: £84.00
WiFi Door Window Alarm Smart Window Alarm 130dB Vibration Sensor Glass Break Security Alarm Sensor Alarm with App-Alerts
£27.29
Detector Cover Stainless Steel Protective Housing for 2Pcs Sensor Usage
£11.50 Save £11.37 RRP: £22.87
Wireless Temperature Humidity Alarm with GSM 3G 4G Network and Sensor Calibration
£145.19
SNZB-04P Zigbee Door and Window Sensor Local Smart Scene Linkage Tamper Alarm Security Compatible with Alexa Home
£15.95 Save £2.00 RRP: £17.95
Tuya Zigbee WiFi Smart Door Window Sensor Alarm Detector Independent Magnetic Sensor Smart Home Via Alexa Google Home Smart Life
£36.95 Save £6.00 RRP: £42.95
RC-33 Magnetic Reed Switch NC Recessed Wired Window Door Contact Sensor for Home Security and Burglar Alarm Systems
£20.34 Save £117.60 RRP: £137.94
Panic Button Durable ABS Anti Theft Safe Emergency Equipment for Nursing Homes Banks unbrand
£21.26 Save £7.44 RRP: £28.70
Smart Home Zigbee Temperature and Humidity Sensor Remote Control SmartLife Work with Alexa Google Assistant
£13.95
Tuya WIFI Temperature Humidity Detector Sensor Smart Link Tuya Multifunction Temperature and Humidi 25-26
£11.87 Save £11.87 RRP: £23.74
Advanced Indoor Air Quality Tester with WiFi, 9-in-1 Sensor for Temperature, Humidity, CO2 Monitoring, Allergy Relief, White
£46.95 Save £27.05 RRP: £74.00
LD6002C 60G Millimeter Wave Radar Sensor FMCW Non-Contact Fall Detection Sensor for Safety Applications
£77.99 Save £38.99 RRP: £116.98
2Sets Overhead Garage Door Contacts Wired Magnetic Switch Alarm Sensor with Armored Wire Leads and A
£17.95 Save £6.00 RRP: £23.95
COMPATIBLE Xiaomi Mijia Intelligent Mini Wireless Switch for Xiaomi Smart Home Suite Devices,with the Xiaomi Multifunctional Gateway Use (CA1001)
£28.95
Temperature sensor Supports Wi-Fi connection, compatible with Alexa
£32.57 Save £27.74 RRP: £60.31
Aubess Bluetooth-compatible Smart Fingerbot Plus Smart Switch Button Pusher Tuya
£26.62 Save £22.66 RRP: £49.28
Home Security Magnetic Door Window Sensor Switch, Wired Alarm Contacts, 2-Pack, Hidden Mounting Option, Reliable Detection
£13.13 Save £3.93 RRP: £17.06
5 Sets Recessed Magnetic Switch DC100V 10W NO NC Door Window Reed Switch for Alarm System Access Con
£18.95 Save £9.48 RRP: £28.43