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Security System Sensors

Shop the best prices on 8,644 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Dirtypigs, Aura and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United Kingdom.

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193 - 224 of 8,644
4-Piece Home Security Alarm Set - 110DB Magnetic Door/Window Sensor for Garage, Drawers & Safes
£22.04 Save £20.64 RRP: £42.68
RK300-03A IOT RS485 Indoor Wall Mount Mini CO2 Gas Monitor Sensor 4-20mA Price for Air Quality Monitoring
£284.48 Save £158.45 RRP: £442.93
2Sets Overhead Garage Door Contacts Wired Magnetic Switch Alarm Sensor with Armored Wire Leads and Adjustable Bracket
£20.95
Glass Break Detectors, Window Alarm With 125 Db Alarm, Glass Vibration Sensor Alarm(2 Pcs) Banban
£30.61 Save £61.21 RRP: £91.82
Wireless Door Alarm With Remote Windows Open Alarmshome Security Sensor Pool For Kids Safety Sliding 2 Pack
£26.68 Save £66.27 RRP: £92.95
Freezer Door Alarm with Adjustable Delay (3-60s), Wireless Fridge Alarm, 4-in-1 Door Sensor Chime for Open Door Safety
£24.42 Save £21.24 RRP: £45.66
4PCS Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door
£27.95 Save £11.00 RRP: £38.95
For 24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor
£89.00 Save £90.00 RRP: £179.00
For Tuya Wifi 24g Human Presence Millimeter Wave Radar Sensor
£59.00 Save £60.00 RRP: £119.00
For 41a5034 Safety Sensor Kitwith Bracket Opener Made After
£74.00 Save £85.00 RRP: £159.00
Tuya Zigbee Door Window Sensor A Burglar Alarm Smart Home
£6.95 Save £3.00 RRP: £9.95
IP67 2.4GHz WiFi Home Water Level Detector Leakage Alarm Sensor TUYA Remote Control
£28.95 Save £35.05 RRP: £64.00
2025 Aubess Tuya Zigbee Door And Window Magnetic Sensor Wireless Connection Smart Home
£82.50 Save £82.50 RRP: £165.00
Suitable for Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)-jc
£13.99 Save £6.71 RRP: £20.70
X13 Multifunctional Camera Detector: Precise Infrared Scan for Hotel Anti , GPS & Wireless Signal Detection
£54.79
Smart WiFi Thermometer with Freezer Alert for Home Temperature Monitoring
£35.70 Save £29.46 RRP: £65.16
2 Sets Magnetic Door Switch Wired NC NO Normally Open Closed Door Contact Switch for Home Security 100V DC
£13.95 Save £4.00 RRP: £17.95
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Burglar Alarm
£12.43 Save £4.97 RRP: £17.40
WIFI PIR motion detector, compatible with Alexa & Google Home
£25.60 Save £2.84 RRP: £28.44
Wireless Home Alarm Kit, WiFi Door Window Sensor
£18.05
Wireless Door Alarms When Opened with Remote,Door Security Sensor Chime Window Alarm Pool Alarm Doo
£25.95
Bluetooth-compatible 5.0 Car Tire Pressure Sensors TPMS Smart Alarm Tyre Monitoring Tools with 2/4 Sensors for lOS Android
£38.95 Save £15.05 RRP: £54.00
Freezer Door Alarms, Window Security Alarm, Wireless Fridge Alarm, 4 in 1 Door Sensor Doorbell Loud Door Opening Alarm 108dB
£14.72
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alarm
£47.63 Save £25.69 RRP: £73.32
Current Sensor Module PCB Small 5V Relay AC Overcurrent Protection Detection Device
£10.95 Save £12.00 RRP: £22.95
Security Window & Door Alarm Sensors(no Sound), Wireless Connection Tuya App2.4G , Not 5G, Burglar Alarm for Kids Safety Home Security,2 Pack, FJ122-H
£39.95 Save £19.05 RRP: £59.00
5 Pcs Door Window Alarm Contact Sensor Open Bell Pool Alarms Doors Kids Export Home Security
£22.95 Save £8.00 RRP: £30.95
Fake TV Simulator with AC Adaptor for Home Security and Sensor
£24.24 Save £3.13 RRP: £27.37
Wireless WiFi Home Alarm Smart Door Window Sensor, Low Energy Remote Control Home Alarm White
£33.95 Save £25.05 RRP: £59.00
2CO1T LCD CO2 Digital Temperature Humidity Detector with Alarm Portable Real Time Monitoring for Family and Office
£32.95 Save £41.05 RRP: £74.00
5Set/Lot Wireless Burglar Alarm Door and Window Magnetic Sensor Alarm Smart Home Security Protection Door Window Alarm
£6.19
Tuya Smart Door Window Alarm Sensor Door Magnetic Password Disarm
£13.95 Save £9.00 RRP: £22.95