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Security System Sensors

Shop the best prices on 13,908 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, SystemHouse Solutions and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Ireland.

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1 - 32 of 3,200
3 Pack Perimeter Trip Alarm, 12 Gauge Camping Trip Wire Device,Early Warning Security System for Camping/Bear Deterrent
From €10.95
WXH 2x Mounting Plate for Nest Cam Flexible Outdoor or Indoor Replacement
From €18.95
Mailbox Sensor for Real-Time Home Security Monitoring
From €24.95
Automatic Door Safety Sensor Photoelectric Beam for Sliding & Swing Doors - Reliable Photocells
From €42.95
Wireless Door Alarms When Opened with Remote,Door Security Sensor Chime Window Alarm Pool Alarm Door Alarm 2 Pack
From €18.95
Wireless Home Security Door Window Entry Alarm Warning System Magnetic Sensor
From €23.95
TUYA Zigbee Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor Smart Home 2M
From €12.95
TUYA Zigbee Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor Smart Home
From €31.95
Personal Security Window & Door Alarm Bell Wireless Sensor Door Window Burglar Alarm Magnetic Sensor Door Alarm Set
From €22.95
10pcs Magnetic Reed Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced Home Safety B
From €7.95
Tuya Zigbee Solar Light Sensor Waterproof IP65 Outdoor Brightness Detection Luminance Sensor Ea
From €24.95
Aqara Light Sensor T1 Zigbee 3.0 Brightness Sensor Smart Home Light Change Controlled for Home
From €64.00
Sensor Infrared Safety Beam Photocell Detector For Garage Gate Door DOORHAN DITEC SOMMER
From €37.95
6-pack wireless anti-theft door and window alarm for home security, diy magnetic sensor
From €10.95
3-Pack Tuya Wifi Temperature Humidity Sensor for Indoor, Smart Home Monitoring System
From €39.95
Zinc Alloy Housing Magnetic Reed Switch, Security Wired Rolling Door Contact Alarm System for Garage Shop, Normally Closed or Open Configuration
From €1.95
Magnetic Curtain Door Sensor with 5m Wired Detector for Garage Door Opener Accessories
From €7.95
Infrared Detector Sensor for Swing, Sliding, and Garage Gates - 1 Pair Safety Accessory
From €16.95
2025 1-10x Tuya Zigbee Mesh Smart Door Sensor Door Open / Closed Detectors Security Protection Smart Life APP Control Via Alexa Google Home
From €22.95
TUYA WIFI Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor 2.4G WiFi Smart
From €13.95
3-Pack WiFi Temperature Humidity Sensor with Wireless Alerts, Data Export, Alexa & Google Assistant Compatible
From €33.95
2-Pack IR Beam Detectors, 20m Weatherproof Security Sensors for Door/Window Intrusion Alarm Systems
From €20.95
Tuya WiFi Smart Door Sensor Wireless Magnetic Door Window Open Closed Detectors Automation
From €15.95
Commercial Grade Wireless Door Chime Sensor 2 Transmitters 2 Receivers for Shop Alert
From €43.95
TUYA WIFI Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor 2.4G WiFi Smart H
From €14.95
Smart Mailbox Alert, Instant Updates, Secure Home
From €10.95
Window Alarm Set with 130dB Vibration Sensor for Home Door and RV Security, 6 Black Units
From €49.95
Curtain Infrared Light Screen Sensor Safety Grating Variable Frequency with Alarm 8‑33V DC 10m / 32.81ft
From €59.00
TUYA WIFI Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor 2.4G WiFi Smart Home 1M
From €12.95
Suitable for Zigbee Smart Rain Sensor for Outdoor Wireless Rain Detection
From €21.95
Tuya Smart Wifi SOS Button Wireless Security Alarm Panic Device Emergency compatible Elderly Kids compatible Safety Smart Life Rem CS fast
From €59.00
Light sensor for burglar alarm - infrared beam detector
From €41.95