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Security System Sensors

Shop the best prices on 12,993 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on ZENGO, GreenZech, Ydcy and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United Kingdom.

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545 - 576 of 3,200
Alarm Safety and Security Door Magnetic Window Burglar Door and Window Burglar Alarm Burglar Sensor
£9.95 Save £6.00 RRP: £15.95
2 Pcs Trip Wire on Reusable Reel (85ft) Trip Wire for Perimeter Trip Alarm 12 Gauge and Trip Wire Alarm
£15.95 Save £78.05 RRP: £94.00
Universal Dc/ac 12/24v Infrared Safety Beam Barrier Sensor Detector For Automatic Door Opener
£16.95 Save £102.05 RRP: £119.00
1 Piece Universal Car Seat Pressure Sensor Safety Belt Warning Reminder Occupied Seated Alarm Security Alarm Sensor
£19.95 Save £79.05 RRP: £99.00
Stainless Steel Float Switch Tank Liquid Water Level Sensor L Type For Pool Can 75mm Float Switch Tank Pool Sensors Water Level
£19.95 Save £34.00 RRP: £53.95
10m to 15m Automated Gate Safe Infrared Detector Sensor/ Swing /Sliding/Garage Gate / Door Safety Infrared Photocells
£16.95 Save £102.05 RRP: £119.00
Freezer Door Alarm When Left Open, Safety Window Alarm, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-in-1 Door Sensor Chime Door Open
£17.95 Save £23.00 RRP: £40.95
Tuya Zigbee Smart Door Sensor Door Open Closed Detectors Security Protection Smart
£7.95 Save £7.00 RRP: £14.95
Vibration Sensor For Wireless Door And Window Security Motion Alerts Home Assistant Compatible
£16.95 Save £17.00 RRP: £33.95
Tuya ZigBee Smart Door Window Open/closed Detector Sensor Smart Home Security Alarm
£10.95 Save £11.00 RRP: £21.95
Light Sensor DC 5V 12V USB Wire Day Auto-on Light Sensor Cable for Home Security and Lighting
£6.95 Save £3.00 RRP: £9.95
2X WiFi Smart Zigbee Temperature and Humidity Sensor LCD Screen History Record Smart Home Security Remote Control
£21.95
3X Tuya Smart Temperature and Humidity Sensor WiFi APP Remote Monitor for Smart Home Var SmartLife Work with Alexa
£20.95
Tuya Smart Zigbee Solar Light and Rain Sensor Alarm Real-Time Notification Light Sensing Rain Detector 2-In-1
£18.95 Save £10.00 RRP: £28.95
Tuya Temperature Humidity Sensor Wireless Detector Home Intelligent Supplies
£21.95 Save £4.00 RRP: £25.95
4in1 Multi-Functional Door Magnetic Alarm Touch Button Door and Window Alarm Displacement Alarm Sensor 125dB
£10.95
Tuya WiFi Vibration Sensor Door Window Glass Broken Detector Home Security Anti-Theft Smart Life APP Real-Time Alert B
£23.95
Infrared Sensor Switch No Contact Contactless Switches Door Release Exit Button with LED Indication
£6.95 Save £4.00 RRP: £10.95
Tuya WIFI Light Sensor Brightness Detector with Temperature Humidity Detection Display Smart Home Security Linkage
£21.95 Save £12.00 RRP: £33.95
4X Magnetic Sensor Home Door Window Entry Warning Alarm Switch
£6.95 Save £3.00 RRP: £9.95
Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door Window Sensor Transducer Smart Life Home
£11.95 Save £6.00 RRP: £17.95
PIR+Light Sensor+Temperature/Humidity+USB Human Presence Sensor Zigbee Low-Power Temperature/Humidity Light Sensor
£21.95
Smart Zigbee Vibration Motion Sensor App Control Security Protection Motion Shock Alarm ZG-103ZL
£20.95
Trip Wire on Reusable Reel (5 Pack) - Early Warning Perimeter Defense for All Devices 85FT Line on Easy Wind Reel
£16.95
Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door and Window Security Alarm Home S
£7.95 Save £2.00 RRP: £9.95
Tuya WiFi SOS Panic Call Button Smart Life APP Rechargeable Battery One Key Alarm for Patient Kids E
£11.95 Save £9.00 RRP: £20.95
Tuya APP Temperature Sensor Seedling Fermentation Animal Breeding Zigbee Temperature Detection Alarm
£18.95 Save £13.00 RRP: £31.95
Magnetic Switch Alarm Sensor Overhead Garage Door Contacts with L Bracket
£9.95 Save £8.00 RRP: £17.95
Tuya Smart WiFi SOS Call Button for Elderly SOS Call Button Emergency SOS Alert System for Seniors P
£37.95 Save £26.05 RRP: £64.00
Split Type Door and Window Sensor Door Magnet Sensor 60 Songs Protection Security Anti-Theft Volume
£11.95 Save £6.00 RRP: £17.95
for 117 25700071 Tattletale Magnetic Switch
£74.00 Save £45.00 RRP: £119.00
Smart Bluetooth Mesh Brightness Thermometer Light Temperature Humidity Detector Sensor Tuya Smart Ap
£10.95 Save £2.00 RRP: £12.95