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Security System Sensors

Shop the best prices on 12,791 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
M5STACK RFID 2 Unit Mini RFID Reader Sensor WS1850S Radio Frequency for Smart portation
£8.95 Save £40.05 RRP: £49.00
Door and Window Alarm, Wireless Door and Window Detectors with Remote Control and Batteries, Anti-Theft Intruder Magnetic Sensor for Home and Child S
£37.95 Save £26.05 RRP: £64.00
Magnetic Remover Clothing Hard Tag Remove/security Tag Detacher Tw
£9.95 Save £10.00 RRP: £19.95
RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Recessed Switch White - (
£6.95 Save £4.00 RRP: £10.95
Tuya Door Sensor Smart Home Security Window Detector Door Sensor Switch Handle Window Alarm Contact Sensor
£5.95
Refrigerator Freezer Door Alarm with 60-Second Alert, Adjustable Volume & Open Sensor
£17.95 Save £46.05 RRP: £64.00
Détecteur de sécurité infrarouge photoélectrique à triple faisceau ABE-200
£69.00 Save £20.00 RRP: £89.00
Adaptateur secteur 24 V 5 A 100 V-240 V CA vers CC, transformateur pour bande lumineuse LED et purificateur d'eau
£20.95 Save £7.00 RRP: £27.95
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
Window Alarm, 4pcs 130DB Loud Vibrating Door/Window Sensors with LED, Home/Office Security Alarm
£28.95 Save £3.00 RRP: £31.95
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