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£25 to £50 Security System Sensors

Shop the best prices on 2,765 great value £25 to £50 security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ebox, Generic1 and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United Kingdom.

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1 - 32 of 2,765
Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack)
£29.95 Save £79.05 RRP: £109.00
Pool alarm for kids safety with wireless door sensor and remote
£32.95 Save £31.05 RRP: £64.00
24Pcs Door and Window Alarm Electronic Alarm Window Alarm Sensor Anti-Burglary Window Security Alarm
£40.95 Save £23.05 RRP: £64.00
Abo-20 Infrared Sensor Barrier Detector, Anti-theft Alarm System
£24.95 Save £21.00 RRP: £45.95
2pcs Security 100db Wireless Door&Window Alarm Vibration Sensor Home
£29.95 Save £54.05 RRP: £84.00
Glass Break Detectors, Window Alarm with 125dB Alarm, Glass Vibration Sensor Alarm for Your Home, Office, Garage, Dorm Room, Or Even RV, White(2 Piece
£26.95 Save £13.00 RRP: £39.95
Solar Driveway Alarm 984ft Range Wireless Sensor IP60 Weather-Resistant
£26.95 Save £12.00 RRP: £38.95
Infrared + Microwave Sensor Magnetic Sensor Remote Control 11 Ringtones Receiver Free Combination Home Protection Doorway Detect
£30.95
3-Pack Tuya WiFi Smart Temperature and Humidity Sensors for Indoor Climate Monitoring
£30.95 Save £12.00 RRP: £42.95
Wireless Door Alarms When Opened with Remote,Door Security Sensor Chime Window Alarm Pool Alarm Door Alarm 2 Pack
£26.95 Save £3.00 RRP: £29.95
4PCS Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Home Security System
£35.95 Save £3.00 RRP: £38.95
Detection Module 60G Fall Detection Millimeter Wave Radar 3D Technology Monitoring TTL Serial Output Module
£51.95 Save £22.05 RRP: £74.00
Solar Light Sensors Energy Efficient Waterproof Outdoor Brightness Detection Luminance Sensors Easy To Installation Multicolor
£44.95
Bluetooth Multifunction Gateway Smart Home Door and Window Sensor Socket Control Center
£34.95
Smart WIFI Door Window Sensor, Security Magnetic Sensor Close Detector, Alexa and Google Home Compat
£26.95 Save £22.00 RRP: £48.95
Independent smoke detector sensor102mm
£40.95
Carbon oxide poisoning alarm detector
£38.95
Independent smoke detector sensor12mm
£23.95
Infrared Detector Sensor 2 Beams Indoor 300m Outdoor 100m High Sensitive Waterproof Home Security Alarm
£35.95 Save £53.05 RRP: £89.00
Smart Wireless Sensing Doorbell Waterproof Doorbell Security Alarm Kit for Home Yard with 1 Alarm 2 Sensor 110240V US
£27.95 Save £16.00 RRP: £43.95
Wireless Sensor Dolphinbar(Wiimote to PC USB )Connect
£44.95 Save £3.00 RRP: £47.95
High quality Infrared radiation detector outdoor remote alarm
£35.95 Save £23.05 RRP: £59.00
Smart Wifi Door Window Sensor, Security Magnetic Sensor Closed Detector
£31.95 Save £14.00 RRP: £45.95
Door Window Alarms, Adjustable Volume, Chime/Alarm, Door Window Alarm Sensor for Home Security, Kids 4 Pack
£31.95 Save £20.00 RRP: £51.95
Pool door alarm for home security - 10 pack wireless window sensor
£48.95 Save £10.05 RRP: £59.00
Passage Alarm, Shop Bell, Wireless Alarm System With Motion Detector
£25.95
Mengshen 2-pack magnetic door window alarms with 110dB alert for home security and DIY installation
£36.95 Save £7.00 RRP: £43.95
Door Window Alarms, Adjustable Volume, Chime/Alarm, Door Window Alarm Sensor for Home Security, Kid Edition
£41.95 Save £52.05 RRP: £94.00
XUHOG T01 LED detector red light scanning detector anti-peeping anti-monitoring full frequency signal wireless detector
£27.95 Save £17.00 RRP: £44.95
3 Sets Magnetic Door Switches, Black Flush Mount Reed Sensors for Access Control and Alarm Systems
£37.95 Save £51.05 RRP: £89.00
Window Vibration Alarm for Home Security with Loud Sound Easy Installation ABS Material Ultra Thin
£35.95 Save £28.05 RRP: £64.00
13,000gs Magnetic Security Tag Remover Golf Detacher For Eas Security System
£26.95 Save £37.05 RRP: £64.00