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Security System Sensors

Shop the best prices on 13,727 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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2,497 - 2,528 of 3,200
Wireless Door Open Sensor Chime 280M Range Door Alarm Window & Door Sensor Door Entry Chime Home Se
From €19.95
Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack) SZRH A-F
From €54.00
5 Pcs -38 Wired Door Window Sensor Magnetic Switch Edition 0724
From €10.95
2.4GHz Wireless TTLOCK Door Sensor
From €12.95
2026 Best Wire Door Magnetic Switches for Office Home Security Recessed Wire Window Door Contact Sensors Alarm Magnetic Switches White
From €45.95
2026 Best Window Door Contact Sensors Alarm Magnetic Switches for Office Home Security 110-220V Magnetic Switches for Alarm System Black
From €54.00
2026 Best Magnetic Switches 110-220V Wire Door Magnetic Switches for Office Security Window Door Contact Sensors Alarm Switches Brass
From €54.00
Mailbox Sensor, Real-Time Monitoring, Home Safety
From €22.95
2026 Best Door Window Alarm, 120DB Door Alarms for Kids Safety, Door Chime for Store Home
From €104.00
Door & Window Alarm, Door/Window Sensor, 120Db Touch Sensor Door Handle Alarm Anti-Theft Vibration W S04
From €29.95
Reflector Photocell Long Range 12-24V DC/AC Automatic Gate Infrared Photocell Sensor with Waterproof Cover
From €35.95
Magnetic Contact Sensor Detector Alarm Compatible with Metal Door Window Door Opening Detector Security Alarm System With Cable Safety Kit Of Domestic
From €16.95
Door Window Magnetic Contact Wired Sensor Detector Switch for Home Garage Alarm Security
From €14.95
Lot de 2 interrupteurs magnétiques à lames NO/NF, câblés, montés en surface, pour porte et fenêtre
From €12.95
UTP 4 Channel Passive Video Balun Transceiver
From €12.95
Wireless Door and Window Vibration Sensor Alarm 125dB Glass Breakage Anti-Theft Sensor, Easy Instal
From €10.95
Tuya Zigbee Multifunctional Pressure Sensor Flexible Thin Film Pressure Sensor Smart Linkage Smart
From €35.95
Tuya ZigBee Smart Door and Window Sensor Burglar Magnetic Sensor with Scene Interaction Button APP
From €16.95
40X White Door Window Contacts Magnetic Reed Switch Sensor
From €31.95
2X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Windows Open Close Status Works with TTLOCK App Smart Locks
From €23.95
3X Tuya Smart ZigBee 3.0 Smart Temperature and Humidity Sensor Battery Powered with Tuya Smart Life App Alexa(C)
From €26.95
4X Tuya ZigBee Devices Button Scene Switch Intelligent Linkage Smart Switch Battery Powered Work with Smart Life
From €27.95
Power Off Detector Sensor Large Volume Wired Alarm System
From €11.95
3X Tuya ZigBee Temperature Humidity Sensor Smart Home Temperature Sensors Works with Alexa Google Assistant Smart Life
From €25.95
Tuya ZigBee Devices Button Scene Switch Battery Powered Intelligent Linkage Smart Switch Automation Work with Smart Life
From €18.95
120dB Inductive Alarm of Human Body Wireless Touch Sensor Security Alarm Loud Door Knob Entry Alert Anti Theft
From €18.95
Garage Door Bracket for Contact Sensor,Ring Sensor Mounting Bracket Security Accessories
From €8.95
Smart ZigBee 3.0 Vibration Sensor Monitor Home Security Protection Motion Shock Home Outdoor Wireless Alarm
From €16.95
2X Reflector Photocell Long Range 12-24V DC/AC Automatic Gate Infrared Photocell Sensor with Waterproof Cover
From €64.00
4X Tuya Intelligent Pressure Sensor for ZigBee Gravity Detection Automation Scene Linkage 800mm
From €129.00
Outdoor Door Window Magnetic Alarm Wireless Sensor Waterproof Monitor
From €31.95
SONOFF SNZB-02D 2.5 inch LCD Smart Sensor Real-Time Monitoring Linkage
From €36.95