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Security System Sensors

Shop the best prices on 12,851 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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289 - 320 of 3,200
Ensemble de contacts magnétiques pour porte et fenêtre, détecteur sans fil avec télécommande
£15.95 Save £4.00 RRP: £19.95
Lot de 2 interrupteurs de porte magnétiques filaires NC NO, normalement ouverts et fermés, pour la sécurité de la maison, 100 V CC
£12.95 Save £4.00 RRP: £16.95
Détecteur d'intrusion à faisceau infrarouge, détecteur infrarouge longue distance pour extérieur, 12-18 V CA, 12-24 V CC, 30 m/98,4 pi
£37.95 Save £11.05 RRP: £49.00
Brake Wheel Speed Sensor 4013251 Quick Response Real Time Monitoring Precise Adjustment Replacement for Polaris
£74.00 Save £35.00 RRP: £109.00
10W Magnetic Reed Switch Zinc Alloy Responsive NC Door Window Contact Sensor for Garage Warehouse Shop 100V
£19.95 Save £14.00 RRP: £33.95
2026 Suitable 4X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App
£22.95 Save £36.05 RRP: £59.00
2026 Suitable 6X Tuya Smart ZigBee 3.0 Smart Temperature and Humidity Sensor Battery Powered Security with Tuya Sm
£25.95 Save £38.05 RRP: £64.00
XKC-Y26A Small Pipe Tubes(OD 5mm-11mm) Liquid Water Sensor Physic Liquor Inkjet Ink Detection Automatic Control System Sensors
£33.95 Save £11.00 RRP: £44.95
Smart Door and Window Sensor WiFi Bluetooth Dual Mode, Compatible with Alexa and Google Home, RealTime Security Alerts
£21.95 Save £11.00 RRP: £32.95
Zigbee Window Door Open Alarm Real Time Remote Control Magnetic Door Sensor
£21.95 Save £4.00 RRP: £25.95
12V PC Fan Temperature Control PWM Speed Controller Module Alarm Buzzer Sensor with Alarm Blue
£10.95
BERM DC Approach Switch Inductive 3Wire NPN NO Metal Detection Proximity Sensor TL-W3MC1
£12.95 Save £16.00 RRP: £28.95
Dvb-t Professional Tv Antenna Finder Digital Aerial Signal Meter Pointer Tv Satellite Receiver
£40.95 Save £88.05 RRP: £129.00
Multifunctional Solar Infrared Sensor Ultrasonic Led Burglar Alarm Animal Repeller For Outdoor Animals
£54.00
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alar
£37.95 Save £36.05 RRP: £74.00
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alar
£27.95 Save £13.00 RRP: £40.95
Compatible Tuya ZigBee Smart Vibration Tilt Sensor Real Time Shock Alarm Security Protection
£17.95
Multi- 2 in 1 Door Sensor for Door Opener Infrared Safety and Radar Safety Sensor for Automatic Doo
£99.00 Save £40.00 RRP: £139.00
Multifunctional Solar Infrared Sensor Ultrasonic Led Burglar Alarm Animal Repeller For Outdoor Animals
£69.00 Save £25.00 RRP: £94.00
Burglar Alarm for Doors and Window 120dB High Decibel Salarm Sensor
£7.95 Save £12.00 RRP: £19.95
Wireless Door Opening Contact Sensor Alarm with Buzzer
£31.95 Save £17.05 RRP: £49.00
120dB 9V Burglar Alarm Sensor for Doors & Windows, 5.3x2.3x10cm
£6.95 Save £5.00 RRP: £11.95
Portable Ozone Detector with Smart Sensor for O3 Gas Analysis and Air Quality Monitoring
£99.00 Save £60.00 RRP: £159.00
Magnetic Sensor Magnetic Switch Sensor Window Door Alarm Security Detector Wired Contact Magnetic Wide Gap for Home Garage-YuJia
£8.95 Save £6.00 RRP: £14.95
Home Security Magnetic Sensor Embedded Door Window Anti-theft Alarm Durable
£3.95 Save £13.00 RRP: £16.95
Tuya Zigbee Smart Vibration Sensor Home Security Guard Real-Time Monitoring Alarm Notification Tilt Detector
£16.95 Save £2.00 RRP: £18.95
NEW Tuya Door Sensor Wifi Window Shatter Sensor Door Window Magnetic/shock Detector
£30.95 Save £6.00 RRP: £36.95
Tuya Smart Wifi Door Sensor Magnet Window/door Status Detector Smart Life App Notification Push Alarm Work With Alexa Google
£89.00 Save £20.00 RRP: £109.00
Magnetic Door Switch RC-33 NC Recessed Wired Sensor Alarm (10 Sets)
£7.95 Save £10.00 RRP: £17.95
2x Mounting Plate for Nest Cam Flexible Outdoor or Indoor Replacement
£24.95 Save £7.00 RRP: £31.95
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
£8.95
Tuya Zigbee Door and Window Sensor APP Alarm Remote Real-Time Push
£7.95