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Security System Sensors

Shop the best prices on 11,042 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Gze, Nedis and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Ireland.

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2,017 - 2,048 of 3,200
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
From €28.95
AS608 Fingerprint Reader Sensor Module, Optical Fingerprint Recognition Module for Door Locks, Access Control
From €19.95
Magnetic Remover Clothing Hard Tag Remove/security Tag Detacher
From €38.95
Magnetic Remover Clothing Hard Tag Remove/security Tag Detacher
From €31.95
433mhz Wireless Magnetic Door Sensor Door Window Alarm
From €13.95
Single Beam Automatic Gate Opener Infrared Sensor/gate Photocell/safety Beams System 609 26-27
From €35.95
Tuya Matter Thread Door Window Sensor Anti-Theft Alarm Smart Home Wireless Detector Work with Alexa
From €40.95
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alar
From €44.95
Car Key RFID Signal Blocking Box, Remote Anti-Theft, 5" x 3.1" (Black)
From €27.95
Solar-Powered Ultrasonic Cat Repeller, Waterproof for Outdoor Use
From €38.95
Zinc Alloy Wired Magnetic Sensor Set
From €25.95
5Pcs SW420 Vibration Sensory Module Low Frequency Motion Detection Application Vibration Switcher For Microcontroller Multicolor
From €24.53
Home Security Wireless Remote Control Door Window Siren Magnetic Sensor Alarm Warning, 1 Remote Controller + 2 Magnetic Sensors
From €28.14
5 PCS PA86 Key Reset Manual Help Alarm Emergency Call Button
From €33.04
DSHW001 Single Beam Infrared Detector Anti-Glare False Alarm Proof Home Security Alarm Device
From €28.83
Wireless 433MHz Door Alarm
From €64.00
Door Window Magnetic Sensor Anti-entry Security Alarm
From €22.10
ABO-20L Single Beam Detector Active Half Egg Beam Infrared Detector Photoelectric Sensor, Detect Distance: 20m
From €27.91
Home Security Alarm System Standalone Magnetic Sensors Wireless Door and Window Alarm Security Burglar Alarm Set Multicolor
From €21.95
2025 100m Sensor Alarm Dual Beam Photoelectric Infrared Detector for Home Security,Black
From €45.95
Rain Sensor, Plastic Waterproof, Zigbee 3.0 Protocol, MS24032401 Outdoor Sensor
From €27.81
Reset switch, normally open and normally closed type, plastic material, emergency safety door alarm device
From €21.92
Door and Window Sensor, Smart Life/Tuya Compatible, Alexa Voice Control, Smart Home Alarm
From €19.43
Temperature and Humidity Light Sensor Smart Linkage Shared APP Alarm 8.5x5.5x3.2cm Baby Room Environment Monitoring Sensor
From €36.63
Freezer Door Alarm, Wireless Fridge Door Safety Window Alarm, Adjustable Delay 4 Working Modes to 108dB Loud Door Entry Alarm 108dB Loud, 2 Pack White
From €38.19
Photoelectric Sensor, Reflective Infrared Detection, -25~75℃ Temperature Resistance E3Z-R61, Automatic Door Induction Switch
From €24.18
Window and Door Magnetic Alarm, Remote Control, 2 Sets, Home Security Protection Sensor
From €36.63
Security Sensor, Real-time Notification, Compact, Smart Home Door and Window Sensor
From €44.42
Wi-Fi Door Magnetic Sensor, Automatic Scene Linkage, Hub-free Installation, Home Security Sensor
From €23.25
Refrigerator Door Alarm 2 Pack, Wireless Fridge Alarm, 108dB, 4 Modes Timer 3/15/30/60s, Peel & Stick, No Tools
From €48.88
Door Magnetic Sensor, Real-time Alarm ABS Material, Smart Home Security Sensor
From €40.52
Smart Door Magnetic Sensor, 7-Day Recording + Real-Time Alarm, WiFi/ZigBee Optional, Home Security Monitor
From €25.33