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Security System Sensors

Shop the best prices on 12,852 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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417 - 448 of 3,200
Magnetic Door Sensors with Alarm Athkar Doorbell Volumes Adjustable Automatic Wireless Doorbell Easy Installation Multicolor
£17.95
16pcs Magnetic Garage Door Windows High Glossy Shiny Surface Looks Like Real Panels Decorative Hardware
£25.95 Save £12.00 RRP: £37.95
Wired Door Window Magnetic Security Alarm Contact Sensor Detector Reed Switch
£33.95 Save £15.05 RRP: £49.00
Tuya Door Sensor Smart Home Security Window Detector Door Sensor Switch Handle Window Alarm Contac
£4.95 Save £3.00 RRP: £7.95
2025 Essential Freezer Alarm: Wireless Thermometer with Industrial-Grade Chip, Multi-Sensor System, p
£24.95
Smart Door Window Sensor Smart Home Door Detectors Door And Window Burglar Alarms Door Open Alarm
£2.95 Save £2.00 RRP: £4.95
Door And Window Alarm, Wireless Door And Window Detectors With Remote Control And Batteries, Anti-intrusion Anti-theft Magnetic Sensor For Home And Ki
£12.95 Save £7.00 RRP: £19.95
2Pack Freezer Door Alarm,3/15/30/60 Seconds Wireless Fridge Alarm,4 in 1 Door Sensor Doorbell Door Open Alarm Loud108dB
£14.95 Save £7.00 RRP: £21.95
Infrared+Microwave Sensor Ringtones Receiver Home Protection Doorway Detector Garage Alarm Preventi
£21.95 Save £11.00 RRP: £32.95
door handle alarm, door and window alarm touch sensor alarm door and window sensor, 120dB touch sensor anti-theft
£13.95
Wireless Home Doors Windows Security Entry Alarm System Pack 6
£16.95
Mini GSM PIR Alarm Motion Sensor Alarm Infrared Wireless GSM Alarm Anti-Theft Motion Detector with EU Plug
£17.95
Door Magnetic Alarm Wireless Door and Window Anti-Theft Alarm Home Anti-Theft Door Opening Sensor 10 Pcs
£13.95
Security Tag Detacher / Magnetic Remover Clothing Hard Tag Remove
£18.95 Save £13.00 RRP: £31.95
Compactly Air Quality Sensors Module Gas Sensors Module with Fast Response Low Power Consumption for Intelligent Home
£9.95
315MHz/433Mhz Drawer Wardrobe Vibration Alarm Sensitivity Alarm Detector Wireless Vibration Sensors Alarm for Security
£14.95
door alarm, wireless door window contact sensor for kids safety 4 pcs
£14.95 Save £15.00 RRP: £29.95
Magnetic Alarm Door Window Contact Sensor Detector with Wired NC Type Reed Switch Suitable for Various Applications
£43.95 Save £40.05 RRP: £84.00
Door And Window Security Alarms Wireless Magnetic Sensors Suitable For Home Apartment Family Protective And Child Safety
£14.95
Tuya ZigBee Door Window Sensor Anti-Theft Alarm Smart Home Wireless Detector APP Remote Work with Home
£9.95 Save £2.00 RRP: £11.95
Garage Door Bracket for Ring Alarms Contact Sensors(2nd Gen), Easy-to-Install Garage Door Safety Accessory
£6.95
Fake TV Simulator with AC Adaptor for Anti-burglar and Theft Deterrent Home Security - Timer and Sensor (5V British Standard Plug Type) Ydcy
£5.95 Save £8.00 RRP: £13.95
100m Sensor Alarm Dual Beam Photoelectric Infrared Detector for Home Security,Black
£27.95 Save £17.00 RRP: £44.95
Door Alarm Wireless Anti-Theft Remote Control Door & Window Security Alarms Magnetic Sensors Alarm for Apartments
£9.95
Wireless Door Sensor Alarm, Magnetic Induction, 433 Remote Control, Home Anti-Theft
£34.95 Save £19.05 RRP: £54.00
Vibration Type Door Handle Sensor Alarm, Export-Ready
£32.95 Save £16.05 RRP: £49.00
Wide Angle Wireless Human Body Infrared Detector, Curtain Alarm Sensor for Home Security
£34.95 Save £19.05 RRP: £54.00
Wireless Door Opening Contact Sensor Alarm with Buzzer
£33.95 Save £15.05 RRP: £49.00
10pcs Magnetic Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced A
£14.95 Save £5.00 RRP: £19.95
Window Sensor Zigbee Wireless Connection Smart Mini Door Sensor Home Assistant for Gateway Home
£12.95 Save £7.00 RRP: £19.95
Sensor Cover for Alarm Protection
£10.95 Save £9.00 RRP: £19.95
Door Alarm Cylinder Infrared Sensor Weather Resistant for Home Security Indoor Use 300m 1 Set
£21.95 Save £19.00 RRP: £40.95