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Security System Sensors

Shop the best prices on 13,692 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on ZENGO, GreenZech, Ydcy and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United Kingdom.

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897 - 928 of 3,200
Door Window Magnetic Contact Wired Sensor Detector Switch for Home Garage Alarm Security
£13.95 Save £11.00 RRP: £24.95
RT4AE01 868M Wireless Transceiver Serial Data Long-Distance Transmission Module for PLC Relay Meter Reading Sensor
£18.95
Magnetic Sensor Magnetic Switch Sensor Window Door Alarm Security Detector Wired Contact Magnetic Wide Gap for Home Garage
£9.95 Save £7.00 RRP: £16.95
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alar
£27.95 Save £13.00 RRP: £40.95
Glass Break Detector, Window Alarm with 125dB Alarm, Glass Vibration Sensor Alarm for Your Home, Office (2 Pieces) 2025
£18.95 Save £18.00 RRP: £36.95
2025 Zigbee Window Door Open Alarm Real Time Remote Control Magnetic Door Sensor
£16.95 Save £17.00 RRP: £33.95
2026 Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack)-Good
£54.00 Save £55.00 RRP: £109.00
Auto Reset, Panic Button For Alarm System, Fire Retardant Switch 26-27s
£54.00 Save £55.00 RRP: £109.00
Wireless Door bell Motion Sensor Home Security Door open alarm Entry Chime 26s
£16.95 Save £16.00 RRP: £32.95
10 Pack Window Alarm with Wireless Door Magnetic Sensor for Home Security System, Pool Door Alarm 26s
£26.95 Save £27.05 RRP: £54.00
12V Waterproof IR Photocell Sensor for Automatic Gate Door Barrier System 26-27s
£14.95 Save £14.00 RRP: £28.95
Infrared Photocell 12V Waterproof Sensor for Automatic Gate Door System 26-27s
£13.95 Save £14.00 RRP: £27.95
Stainless Steel Float Switch for Tank Liquid Water Level Sensor Double Ball Float Switch for Tank Pool Flow Sensors
£17.95
10 Sets Recessed Wired Security Window Door Sensor DC100V 10W Magnetic Door Sensor for Access Contro
£29.95
06j906461d Afh60-37 Mass Air Flow Sensor Meter For A4 Base A5 A6 Cc Golf Vi
£23.95 Save £11.00 RRP: £34.95
Leku Magnetic Detection Contacts Set Zinc Alloy, for Home Garage Window Door Security, Magnetic Sensor, 20~30mm Detection, Ideal Replacement for Old C
£17.95 Save £10.00 RRP: £27.95
Glass Break Alarm 125dB Window Vibration Detector Sensor Alarm 3 Pack Ultra-Slim Anti-Theft Alarm for Door and Window with Ajustment Sensitivity unbrand
£44.95 Save £19.05 RRP: £64.00
Upgrade Your Home Security with Our Smart Door Window Sensor - Real-Time Alerts & Control
£39.95
Wifi Door Alarm Sensor Wireless Door Window Contact Sensor Alarm With App
£34.95 Save £14.05 RRP: £49.00
Curtain Infrared Light Screen Sensor Safety Grating Variable Frequency with Alarm 8‑33V DC 10m / 32.81ft
£54.00 Save £75.00 RRP: £129.00
Wireless Door Alarm With Remote, Windows Open Alarms,home Security Sensor, Pool Alarm For Kids Safety, Prevent Robbery (2
£47.95 Save £26.05 RRP: £74.00
Infrared Sensor Doorbell Wireless Trigger Alarm Door Entry Welcome Doorbell US Plug 110?240V for Shop Office
£54.00 Save £105.00 RRP: £159.00
Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack)
£49.00 Save £20.00 RRP: £69.00
Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack)-Good
£54.00 Save £20.00 RRP: £74.00
Solar Tire Pressure Monitor External Sensors Kit IP67 RF Wireless for Pickup Truck Jeep
£69.00 Save £30.00 RRP: £99.00
3013 Ro Membrane Housing Replacement Fittings for Residential Home Household
£47.95 Save £16.05 RRP: £64.00
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alarm
£59.00 Save £25.00 RRP: £84.00
Ds2 Smart Door Sensor Smart Automation For Intelligent Smart Home Msk1 Sensor Kit
£37.95
Door And Window Alarm, Wireless Door And Window Detectors With Remote Control And Batteries, Anti-theft Anti-intrusion Magnetic Sensor For Home And Ki
£37.95 Save £7.00 RRP: £44.95
Water Immersion Leakage Detector Intelligent Alarm Home Security for Zigbee LH‑69zB
£40.95 Save £48.05 RRP: £89.00
Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack)-Good
£49.00 Save £20.00 RRP: £69.00
Tuya Wifi Smart Door Sensor Wireless Magnetic Door Window Open Closed Detectors Automation
£109.00