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Shop the best prices on 9,846 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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TUYA Smart Fingerbot Plus Zigbee Knop Pusher Smart Home Smart Life App Voice Control with App
€22.95 Save €12.00 RRP: €34.95
Door Open Alarm Smart Door Window Sensor Smart Home Door Detectors Door and Window Burglar Alarms
€8.95 Save €4.00 RRP: €12.95
Tuya Zigbee Smart Door Sensor Door Open Closed Detectors Security Protection
€27.95 Save €10.00 RRP: €37.95
Sensor Mobotix MX-O-SMA-S-6D119 Mobotix
€309.00
Smart Sensor for Doors and Windows Dahua 1.0.01.04.38029-9001 Dahua
€189.00
5pcs Door Sensor Alarms Loud Door Chime Security Contact Sensors for Home Office Easy Install Reliable Theft Protection with Battery Included
€13.95 Save €7.00 RRP: €20.95
NEW Tuya Door Sensor Wifi Window Shatter Sensor Door Window Magnetic/shock Detector
€34.99 Save €23.95 RRP: €58.94
Itead SONOFF DW2 WiFi Smart Door Window Sensor Door Open/Closed Detectors
€132.23 Save €42.17 RRP: €174.40
Wireless Signal Infrared Scanner Professional High Sensitivity Alarm Bug Detector for Home Office Travel 100?240V EU Plug A-B
€149.25 Save €44.89 RRP: €194.14
ZigBee NEO 90DB Sound and Light Sensor Tuya Smart Life Built-in Siren A-R3424
€19.29 Save €23.10 RRP: €42.39
Zigbee Smart Rain Sensor for Outdoor Wireless Rain Detection Waterproof, Zigbee Hub Required,Linkag A-W
€24.51 Save €25.74 RRP: €50.25
Glass Break Alarm 125dB Window Vibration Detector Sensor Alarm 3 Pack Ultra-Slim Anti-Theft Alarm for Door and Window with Ajustment Sensitivity
€30.70 Save €32.20 RRP: €62.90
DS618 Intelligent Signal Detector Sensitive Vibration Sensor Night Vision Detector for Security Testing Scanning
€94.00 Save €35.00 RRP: €129.00
5pcs Recessed Magnetic Window Door Contacts Alarm Security Reed Switch White
€15.95
Mini Stainless Steel Float Switch Tank Liquid Water Level Sensor Double Ball Float Switch Tank Pool Flow Sensors
€19.95 Save €5.00 RRP: €24.95
1pair 20m Simple Beam Alarm Photoelectric Infrared Sensor Detector Home Door Security System
€16.95 Save €6.00 RRP: €22.95
Security Window Door Burglar Alarm Bell Anti-theft Wireless Sensor Detector
€1.95
Self-Adhesive Wireless Magnetic Sensor Burglar Door Window Entry Alarm 90 Db
€84.00 Save €75.00 RRP: €159.00
Tuya ZigBee Light Sensor Brightness Detector with Temperature Humidity Detection Display Smart Home Security Linkage
€23.95 Save €13.00 RRP: €36.95
High Precisions Sound Detection Sensors LM393 Module Low Voltages Operation 4-6V For Alarm Systems And Voice Controls Multicolor
€13.95
10pc MC-31 Surface Mount Alarm Wired Screw-Terminal Magnetic Contact for Door Window Cabinets Security with 20pcs Screws Multicolor
€21.95
2 in 1 Light and Rain Sensoring Detector Small Size for Wireless Intelligent Home Integration Multicolor
€54.00
2PCS Tuya ZigBee Smart Temperature and Humidity Sensor Work with Alexa Google Home Smart Life App Control
€18.95 Save €9.00 RRP: €27.95
Staniot Tuya Door Sensor Smart Home Security Window Detector Door Sensor Switch Handle Window Alarm Contact Sensor
€10.95 Save €6.00 RRP: €16.95
Long Range Outdoor Infrared Beam Sensor Alarm 60m AC/DC
€52.77
Infrared Alarm Sensor 2 Beams for Home Security 2Pcs Waterproof Outdoor
€79.00 Save €80.00 RRP: €159.00
Photoelectric Beam Sensor with Bracket, NPN Output for Industrial Automation
€11.95 Save €14.00 RRP: €25.95
Staron Smart WiFi Door Magnetic Alarm (White) - Compatible with Voice Assistants, APP Remote Control for Home Security
€14.95 Save €9.00 RRP: €23.95
10pcs Wired Door Window Sensor Magnetic Switch for Home Alarm System
€16.95 Save €5.00 RRP: €21.95
Improved Shock Activated Security Device Loud 125dB Warning Sound Quick Adhesive Installation Anti Tamper Alarm White
€23.95
Smart home ZigBee WiFi door sensor wireless open close
€24.95
Solar Light Sensors Light Detection Sensors Outdoor Brightness Detection Luminance Sensors for Garden Yard Parking Multicolor
€59.00