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Security System Sensors

Shop the best prices on 14,456 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on Dirtypigs, 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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1,249 - 1,280 of 3,200
Alarm when freezer door opens, security window alarm, 4 in 1 sensor doorbell opens
From £44.95
WiFi Temperature and Humidity Sensor with High Temperature Alarm and Voice Control for Smart Home Monitoring
From £24.95
Temperature and Humidity Detector Real-time Data Display LCD Screen Zigbee Protocol Sensor
From £18.95
Refrigerator And Freezer Alarm, Door Left Open, Reminders At 60 Seconds Or More-2025
From £9.95
Refrigerator And Freezer Alarm, Door Left Open, Reminders At 60 Seconds Or More-2025
From £9.95
Smart WiFi Door Sensor and Window Sensor with Instant App Alerts, Compatible with Tuya Smart Life and Alexa, 1 Pack
From £16.95
Tuya Smart ZigBee 3.0 Smart Humidity Sensor with Tuya Smart (C)
From £11.95
Fake TV Simulator with AC Adaptor Anti-Burglar and Theft Deterrent Home Security and Sensor,EU Plug
From £27.95
Home Security Burglar Alarm Wireless Door Opening Alarm Anti Theft Intruder Enter House Magnetic Sensor Door Window
From £7.95
4X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Windows Open Close Status Works with TTLOCK App Smart Locks
From £41.95
Tuya Door Magnetic Alarm, Anti-Theft Alarm, WIFI APP Door Magnetic Opening Reminder Remote Alarm
From £17.95
10 Pcs Mc-38 Wired Door Window Sensor Magnetic Switch compatible with Home Alarm System,When Sensor Together,Normally Closed Nc
From £19.95
Bouton panique ABS durable, antivol, équipement d'urgence sûr pour maisons de retraite et banques-cr
From £13.95
Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless Fridge Alarm, 4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db
From £19.95
DOBERMAN SE-0119 Household Anti-theft Wireless Remote Control Door Magnetic Sensor Alarm
From £26.95
Home Security Wireless Remote Control Door Window Siren Magnetic Sensor Alarm Warning, 1 Remote Controller + 1 Magnetic Sensors
From £12.95
COMPATIBLE Xiaomi Intelligent Mini Door Window Sensor for Xiaomi Smart Home Suite Devices, with the Xiaomi Multifunctional Gateway Use (CA1001)(White)
From £14.95
Ultra-slim Round Door / Window Alert Detect Vibration Sensor Alarm for Home Alarms Security
From £12.95
2G Callback Locator Anti-Theft Voice-Activated Sensor Alarm N9 US
From £26.95
(New) DOBERMAN SE-0701 Oval Household Anti-theft Door and Window Magnetic Spring Sensor Super Loud Simple Alarm
From £15.95
(New) Tuya WiFi Door Magnetic Sensor Remote Intelligent Linkage Doors Windows Switch Anti-alarm APP Reminder Alarm Tuya Door Magnetic Sensor
From £22.95
(New) 10 PCS Embedded NC Model Door Magnetic Sensor Switch
From £18.95
2025 Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door And Window Security Alarm Home
From £22.95
Home Security Wireless Remote Control Door Window Siren Magnetic Sensor Alarm Warning, 1 Remote Controller + 2 Magnetic Sensors
From £22.95
DOBERMAN SE-0701 Oval Household Anti-theft Door and Window Magnetic Spring Sensor Super Loud Simple Alarm
From £10.95
(New) N911S Home Door Window Induction Alarm Household Door Magnetic Wireless Anti-Theft Alarm
From £15.95
(New) DOBERMAN SE-0119 Household Anti-theft Wireless Remote Control Door Magnetic Sensor Alarm
From £31.95
(New) Door Window Magnetic Sensor Anti-entry Security Alarm
From £16.95
(New) 10 PCS Embedded NC Model Door Magnetic Sensor Switch
From £18.95
Zigbee Temperature Humidity Air Pressure Sensor for Smart Home Automation
From £19.95
4-Pack Magnetic Door and Window Sensors for Home Security and Elderly Safety Alerts
From £5.95
Powerful siren alarm for doors and windows with wireless magnetic sensor
From £22.95