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Security System Sensors

Shop the best prices on 13,109 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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2,177 - 2,208 of 3,200
TUYA Zigbee Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor Smart Home 2M
£13.95
5X Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door and Window Security Alarm Home Security
£25.95
8X Magnetic Sensor Home Door Window Entry Warning Alarm Switch
£9.95 Save £5.00 RRP: £14.95
Infrared Sensor Photocell for Security Gates, Motion Detector Beams, Garage Door Barriers
£27.95 Save £16.00 RRP: £43.95
3-Pack WiFi Temperature Humidity Sensor with Wireless Alerts, Data Export, Alexa & Google Assistant Compatible
£15.95 Save £12.00 RRP: £27.95
2026 NEW Ultrasonic Ranging Alarm Kits LED Display Design of Reverse Alarm DIY Kit Ultrasonic Sensor Module
£19.95 Save £12.00 RRP: £31.95
TV Simulator Automatic Light Sensing 4/7 Hours 4 Inch UK Plug Home Security Gadget
£28.95 Save £17.00 RRP: £45.95
Wireless Security Alarm, Door Window Sensor, 90db, 10Pcs
£13.95
M-218E 10M range secure Beam relay output sensor for automatic doors
£42.95
2x Mounting Plate for Nest Cam Flexible Outdoor or Indoor Replacement
£23.95 Save £7.00 RRP: £30.95
Wired Magnetic Contact Switch Window Door Sensor Home Burglar Alarm -Brown
£13.95
Door Magnetic Contacts Switch Sensor Anti Theft Universal Strong Magnetic Door Magnetic Contact Switch for Door
£12.95 Save £5.00 RRP: £17.95
Small PM2.5 Sensors for Continuous Air Quality Monitoring in Public Space and Workplaces DIY Air Quality Project
£49.00
Magnetic Wireless Door And Window Open Detector Alarms Contact Sensors For Comprehensive Home Security Easy Installation
£28.95
Tuya Zigbee 3.0 Smart Door Sensor Door Open Closed Detectors Security Protection
£16.95 Save £7.00 RRP: £23.95
Tuya Zigbee 3.0 Smart Door Sensor Door Open Closed Detectors Security Protection
£16.95 Save £7.00 RRP: £23.95
Wifi Smart Door Window Sensor Alarm Detector Security Alexa Google
£12.95
2pcs Automatic Infrared Beam Detector Ir Alarm Sensor Door Light Sensor Burglar Alarm System
£8.95 Save £19.00 RRP: £27.95
2 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 Jske
£25.95 Save £28.05 RRP: £54.00
Touch Sensor Door Handle Alarm Anti Theft Vibration Window Burglar Alert Home Security Door Alarm A
£16.95 Save £6.00 RRP: £22.95
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
£13.95 Save £5.00 RRP: £18.95
Passage Alarm, Shop Bell, Wireless Alarm System With Motion Detector, Access Gift-AC
£36.95 Save £22.05 RRP: £59.00
5pcs Micro2 Fuse Tap Add-a-circuit Blade Atr Mini Fuse Holder 15a Fuse Hfmqv
£14.95 Save £4.00 RRP: £18.95
Door Open Alarm Smart Door Window Sensor Smart Home Door Detectors Door And Window Burglar Alarms
£10.95
Door Window Sensor Detector Wireless Open Contact Sensor WiFi APP Timer Magnet Back Adhesive Sharing Security Sensor Alarm for ZigBee for Tuya
£7.95 Save £16.00 RRP: £23.95
Stylish & Practical Door Handle Effective Iron Gate Magnetic Sensor Homes & Office Door Window Alarm Simple Installation
£21.95
Détecteur infrarouge à impulsions numériques, barrière de faisceau invisible, détection active, alarme IR 100 m
£40.95 Save £13.05 RRP: £54.00
Tuya WiFi Light Sensor Smart Home Illumination Sensor
£23.95 Save £60.05 RRP: £84.00
Une paire d'interrupteurs d'alarme de sécurité magnétiques pour portes et fenêtres normalement fermés, boîtier métallique
£10.95 Save £3.00 RRP: £13.95
Capteur de faisceau infrarouge sans fil, alarme antivol, étanche IP55, pour porte automatique
£26.95 Save £7.00 RRP: £33.95
Alarme de température et d'humidité GSM 3G 4G Surveillance environnementale Alarme de panne de courant
£129.00 Save £10.00 RRP: £139.00
Détecteur de porte/fenêtre à contact magnétique filaire pour alarme de sécurité de garage
£13.95 Save £4.00 RRP: £17.95