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Shop the best prices on 12,799 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Dirtypigs and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Ireland.

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Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets) 2025
€7.95 Save €7.00 RRP: €14.95
2025 Wifi Smart Door Window Sensor Alarm Detector Security Alexa Google
€9.95 Save €9.00 RRP: €18.95
2025 Tuya Zigbee Smart Door Magnet Door And Window Sensor Rechargeable Wireless Smart Door And Window Se
€13.95 Save €13.00 RRP: €26.95
10 Pack Window Alarm Wireless Door Magnetic Sensor Alarm For Home Security System, Pool Door Alarm 25-26
€34.95 Save €34.05 RRP: €69.00
Wireless Door Reminder Door Alarm Sensor Door Open Alarm Indicator 26s
€114.00 Save €75.00 RRP: €189.00
Tuya WiFi Smart Door Sensor Wireless Magnetic Door Window Open Closed Detectors 26s
€10.95 Save €11.00 RRP: €21.95
25-26 Adjustable Smart Infrared Sensor Photoelectric Switch For Trash Can - Detects Distance, Dc 5-24v
€25.95 Save €25.00 RRP: €50.95
Mc-38 Sensor Security Wired Switch Protection Switches Alarm System 25-26
€42.95 Save €41.05 RRP: €84.00
2025 Wireless Door/Window Entry Security Burglar Sensor Alarm for Smart Home
€74.00 Save €75.00 RRP: €149.00
WiFi Door and Window Alarm, 100dB Siren, Tuya App Remote Control, Timing Arm/Disarm, Adjustable Volume, Wireless Home Alarm 25-26
€32.95 Save €31.05 RRP: €64.00
2025 Sensor Infrared Detection Photoelectric Sensing Switch Distance Security Alarm Parts DC5‑24V
€23.95 Save €24.00 RRP: €47.95
UTP 4 Channel Passive Video Balun Transceiver
€12.95 Save €2.00 RRP: €14.95
Turbidity Sensor Suspended Turbidity Value Detection Module Kit for
€13.95 Save €3.00 RRP: €16.95
Easily Remove Security Tags with the Magnetic Remover Clothing Hard Tag Detacher - Effortlessly Remove Security Tags
€39.95 Save €34.05 RRP: €74.00
Solar Powered Wireless Independent Infrared Motion Detector Strobe Siren 120dB Alarm Waterproof PIR Sensor
€27.95 Save €36.05 RRP: €64.00
Door Window Sensors Detector Home Security Magnetic Sensor Embedded Door Window Anti-theft Alarm Strong Concealment
€10.95
Compactly Air Quality Sensors Module Gas Sensors Module with Fast Response Low Power Consumption for Intelligent Home
€11.95
SONOFF DW2 WiFi/ DW2-RF Smart Door Window Sensor Door Open/Closed Detectors eWeLink Smart Home Alarm Work With Alexa Google Home
€29.95 Save €8.00 RRP: €37.95
Light Curtain Sensor Switch Safety Light Grating Security Device(6 Beams BEM0640-C-200NB)
€74.00 Save €25.00 RRP: €99.00
AUBESS Tuya Smart WiFi Door Sensor Smart Door Open/Closed Detectors WiFi Window Sensor
€43.95 Save €35.05 RRP: €79.00
4 Pcs Door And Window Alarms - Wireless Intrusion Alarms - 100 Db4pcs Door Sensor Alarm Wireless Door And Window Burglar
€26.95 Save €22.00 RRP: €48.95
Zigbee Smart Rain Sensor for Outdoor Wireless Rain Detection Waterproof, Zigbee Hub Required,Linkag 2025
€24.95 Save €25.00 RRP: €49.95
2025 Door Window Magnetic Contact Alarm Security System Dark Brown
€7.95 Save €8.00 RRP: €15.95
2025 Smart Window Alarm for WiFi Door Sensors - Wireless Door and Window Control Tool
€21.95 Save €21.00 RRP: €42.95
2pcs Automatic Infrared Beam Detector Ir Alarm Sensor Door Light Sensor Burglar Alarm System 2025
€16.95 Save €16.00 RRP: €32.95
Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install
€19.95 Save €23.00 RRP: €42.95
For Door Window Alarms Adjustable Volume Door Window Alarm Sensor 2025
€94.00 Save €65.00 RRP: €159.00
WSD022 Zigbee Smart Home Temperature Humidity Detector Indoor Wireless Sensor 26s
€17.95 Save €17.00 RRP: €34.95
Xiaomi Window and Door 2 Intelligent Door 2 Mini Pocket Size Security Sensor Work With Mijia App
€19.95 Save €24.00 RRP: €43.95
Brake Wheel Speed Sensor 4013251 Quick Response Real Time Monitoring Precise Adjustment Replacement for Polaris
€89.00 Save €60.00 RRP: €149.00
Glass Break Alarm Glass Door Window Vibration Sensor 130db Glass Breaking Alarm Window Sensor
€25.95 Save €38.05 RRP: €64.00
Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless Fridge Alarm, 4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db
€45.95 Save €9.00 RRP: €54.95