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Security System Sensors

Shop the best prices on 14,462 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on Blue Zoo, 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 - 32 of 3,200
Mailbox Sensor for Real-Time Home Security Monitoring
From £19.95
Smart Mailbox Alert, Instant Updates, Secure Home
From £8.95
Zinc Alloy Housing Magnetic Reed Switch, Security Wired Rolling Door Contact Alarm System for Garage Shop, Normally Closed or Open Configuration
From £1.95
TUYA WIFI Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor 2.4G WiFi Smart Home 1M
From £10.95
Curtain Infrared Light Screen Sensor Safety Grating Variable Frequency with Alarm 8‑33V DC 10m / 32.81ft
From £54.00
12V 8A Power Adapter 100V240V AC to DC Power Supply Transformer Converter for LED Light Strip
From £17.95
3-Pack WiFi Temperature Humidity Sensor with Wireless Alerts, Data Export, Alexa & Google Assistant Compatible
From £26.95
7m Sliding Garage Door Gate Opener Infrared Beam Reflective Photocell for Electrical Gate Photoelectric Switch Gate
From £19.95
2-Pack IR Beam Detectors, 20m Weatherproof Security Sensors for Door/Window Intrusion Alarm Systems
From £16.95
TUYA WIFI Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor 2.4G WiFi Smart H
From £12.95
Commercial Grade Wireless Door Chime Sensor 2 Transmitters 2 Receivers for Shop Alert
From £34.95
Tuya WiFi Smart Door Sensor Wireless Magnetic Door Window Open Closed Detectors Automation
From £13.95
Air Quality Climate Sensor 5QJ907643 Designed for Better Airflows In Extreme Weather Real Time Monitoring Inside Vehicle
From £23.95
TUYA Zigbee Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor Smart Home
From £25.95
10pcs Magnetic Reed Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced Home Safety B
From £6.95
6-pack wireless anti-theft door and window alarm for home security, diy magnetic sensor
From £8.95
Tuya Zigbee Solar Light Sensor Waterproof IP65 Outdoor Brightness Detection Luminance Sensor Ea
From £21.95
Aqara Light Sensor T1 Zigbee 3.0 Brightness Sensor Smart Home Light Change Controlled for Home
From £12.95
TUYA WIFI Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor 2.4G WiFi Smart
From £11.95
3-Pack Tuya Wifi Temperature Humidity Sensor for Indoor, Smart Home Monitoring System
From £31.95
Magnetic Curtain Door Sensor with 5m Wired Detector for Garage Door Opener Accessories
From £5.95
2025 1-10x Tuya Zigbee Mesh Smart Door Sensor Door Open / Closed Detectors Security Protection Smart Life APP Control Via Alexa Google Home
From £19.95
Automatic Door Safety Sensor Photoelectric Beam for Sliding & Swing Doors - Reliable Photocells
From £33.95
WXH 2x Mounting Plate for Nest Cam Flexible Outdoor or Indoor Replacement
From £14.95
Wireless Mailbox Alert System with LED Light and 800 Ft Range Notification
From £31.95
Automated Gate Safe Infrared Detector Sensor for Swing Sliding Garage Gate Door Safety Infrared Beam Sensor Photocells Black
From £16.95
TUYA Zigbee Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor Smart Home 2M
From £10.95
Wireless Home Security Door Window Entry Alarm Warning System Magnetic Sensor
From £18.95
Mailbox Sensor, Real-Time Monitoring, Home Safety
From £13.95
Wireless Door Alarms When Opened with Remote,Door Security Sensor Chime Window Alarm Pool Alarm Door Alarm 2 Pack
From £14.95
Tuya ZigBee Devices Button Scene Switch Battery Powered Intelligent Linkage Smart Switch Automation Work with Smart Life
From £12.95
Graffiti Zigbee Smart Temperature and Humidity Sensor Smart Home Link Wireless Temperature and Humidity Sensor
From £8.95