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Security System Sensors

Shop the best prices on 13,914 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Gze and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United Kingdom.

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417 - 448 of 3,200
2025 Sensor Infrared Detection Photoelectric Sensing Switch Distance Security Alarm Parts DC5‑24V
From £21.95
Photoelectric Safety Beam Sensor for Automatic Sliding Glass Doors, 10m Detection, 12-24V DC Power Supply, Wired Connection
From £22.95
Freezer Door Alarm When Left Open, Safety Window Alarm, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-in-1 Door Sensor Chime Door Open_
From £12.95
Door Open Reminder, Dual Mute Modes, Continuous Alarm Function, Freezer and Refrigerator Equipment Alarm
From £18.95
Burglarproof door sensor, intelligent induction alarm, -10-50℃ operation, home anti-theft alarm system
From £14.95
Smart Door and Window Detector Remote Monitoring and Status Notification Smart Home Linkage Security Alarm
From £24.95
2025 Sonoff Waterproof Ds18b20 Temperature Sensor?home Automation
From £17.95
WiFi Smart Door and Window Sensor - Loud Alarm, Adjustable Ringtones, Easy Installation
From £29.95
Garage Door Bracket for Ring Alarm Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Security Accessory
From £15.95
Smart Door Sensor - WiFi Wireless Window Sensor Real-Time Message Notification Compatible with Alexa Google Assistant
From £27.95
Banban Glass Break Detector Window Alarm, 125 dB Glass Vibration Sensor for Home Security, 2 Pack
From £22.95
12V/24V Infrared Photocell Sensor Beam for Sliding Gate Opener, Safety Photo Cell for Automatic Gate Systems
From £19.95
Tuya WiFi Door Sensor, 3-Pack: Smart Window/Door Alarm, Magnetic Contact Sensor for Home Security, Works with Smart Life App for Remote Control
From £24.95
WiFi Temperature Sensor Tuya Thermometer Detector Digital Display Home Smart Life App Alert Freezer Water Alarm US Plug S202412278299 w
From £41.95
3 Pack Perimeter Trip Alarm, 12 Gauge Camping Trip Wire Device,Early Warning Security System compatible Camping/Bear Deterrent
From £64.00
Elecpow Door Window Alarm Home Security Wireless Burglar Alarm Door Magnetic Sensor 120dB Anti-theft Alarm For Home Kids Safety
From £19.95
Water Sensor Wireless Water Leak Detector Battery Powered Home Alarm Flood Sensor With Alarm Sound App Alert
From £36.95
Wireless Water Leak Detector 433hz Water Sensor Smart Home Flood Alert Overflow Security Alarm System Work With Gsm Host
From £37.95
2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Window Open Close Status DS3 Works with G2 TTLOCK App
From £22.95
3X Tuya Smart ZigBee 3.0 Smart Temperature and Humidity Sensor Battery Powered with Tuya Smart Life App Alexa(C)
From £23.95
2X Reflector Photocell Long Range 12-24V DC/AC Automatic Gate Infrared Photocell Sensor with Waterproof Cover
From £59.00
10pcs Magnetic Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhance
From £13.95
Zigbee Smart Vibration Sensor,Real Time Monitoring,Door Window Vibration Detection Siren for Home,App Remote Control
From £11.95
3 Phase Din Rail Voltmeter Ammeter with over/Under Voltage Current Limit Protection Self-Resetting Surge Protector 63A
From £28.95
Din Rail ATS Dual Power Automatic Transfer Switch 80A Miniature Dual Power Switch Mains Power to Mains Power
From £36.95
XIAO ESP32C6 60GHz MmWave Sensor MR60BHA2, Breathing Heartbeat Detection Sensor, ESPhome, Home Assistant
From £54.00
Heavy Duty Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC with Adjustable Bracket
From £11.95
WiFi Smart Zigbee Temperature and Humidity Sensor LCD Screen History Record Smart Home Security Remote Control
From £11.95
Tuya ZigBee Devices Button Scene Switch Intelligent Linkage Smart Switch Battery Powered Automation Work with Smart Life
From £7.95
Palm Vein TTLOCK APP WIFI Facial IP67 Access Control Time Attendance 3D Face Recognition 13.56MHZ RFID +Fingerprint
From £104.00
R60BMP1 60GHz MmWave Radar Sensor for People Counting & Tracking,Anonymous Accurate Occupancy Counter,for Retail Store
From £74.00
4pcs Door Window Sensor Zigbee Wireless Connection Smart Mini Door Sensor Work for Gateway Mi Home
From £64.00