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Security System Sensors

Shop the best prices on 13,367 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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513 - 544 of 3,200
XHX Wireless 2 Remote Sensor IR Infrared Detector Siren Home Security Alarm
£10.95 Save £11.00 RRP: £21.95
Theft Burglar Alarm With Remote, Wireless Window And Door Open Entry Alert Magnetic Contact Sensor Battery Operated Loud (2 Pack)
£35.95 Save £48.05 RRP: £84.00
WXH Wireless Door Alarms When Opened with Remote,Door Security Sensor Chime Window Alarm Pool Alarm Doo
£20.95 Save £13.00 RRP: £33.95
DC 12v 24v Infrared Sensor Detector Door Safety Photocell Beam Sensor for Automatic Door
£10.95 Save £6.00 RRP: £16.95
Automatic IR Security Sensor for Burglar Alarm System 2pcs TroveMart
£39.95 Save £19.05 RRP: £59.00
2 Sets Magnetic Reed Switch Aluminum Alloy AC220V NC Surfaces Mount Wired Door Window Sensor for Hom
£19.95 Save £10.00 RRP: £29.95
5 Sets Recessed Magnetic Switch DC100V 10W NO NC Door Window Reed Switch for Alarm System Access Con
£18.95 Save £10.00 RRP: £28.95
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
£13.95 Save £35.05 RRP: £49.00
Athkar Doorbell Device Automatic Magnetic Door Sensors for Muslims Family
£17.95
2 Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds, 4 In 1 Door Sensor
£13.95 Save £65.05 RRP: £79.00
315/433M MHz Wireless Window Door Sensor Magnetic Contact Wood Door Alarm Detector Wireles GSM Home Alarm Panel
£18.95 Save £100.05 RRP: £119.00
1pack Smart Door Sensor Wifi, Wireless Door Window Detector Alarm, Smart Linkage Window Door Contac
£12.95 Save £17.00 RRP: £29.95
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
£24.95 Save £20.00 RRP: £44.95
Tuya WiFi / ZigBee Door Window Sensor Smart Home Wireless Door Open / Closed Detector
£13.95 Save £3.00 RRP: £16.95
Carbon monoxide detector monitoring alarm sensor6cm
£44.95
100db Home Anti-theft Alarm Doorbell Vibration Sensor Door And Window Alarm Ultra-thin Round
£54.00
Infrared Sensor Security Alarm Anti-theft Motion Detectors For Home Guard System
£32.95
90db Wireless Security Alarm Door Window Sensor Magnetic Opening Sensor Enhanced 10Pcs
£11.95 Save £19.00 RRP: £30.95
Aubess Tuya Motion PIR Sensor Detector WIFI Movement Sensor Smart Life APP Wireless
£22.95 Save £5.00 RRP: £27.95
Intelligent Home Automation Light Sensors Energy Saving Solar Light Detector for Outdoor Brightness Sensors Accessories Multicolor
£43.95
Door Window Open Alarm, Wireless Remote Control Magnetic Sensor Chime Anti Theft Home Security DIY Protection
£11.95
Automatic Door Safety Sensor Photoelectric Beam for Sliding & Swing Doors - Reliable Photocells
£33.95 Save £20.05 RRP: £54.00
Via Alexa Google Home Door Window Sensor
£18.95 Save £9.00 RRP: £27.95
Smart Motion Sensor,wifi Wireless Security Alarm,with Free Notification
£32.95 Save £36.05 RRP: £69.00
Anti Candid Detector Hide Camera Detectors for Indoor Home Hotel Travel Office Signal Scanners Multicolor
£74.00
Tuya Smart WiFi Alarm Door and Window Vibration Sensor Security Protection Alert Works with Alexa, Smart Life(White) Edition a unbrand
£39.95 Save £14.05 RRP: £54.00
433mhz Door Window Alarm Sensor 25-26
£35.95 Save £38.05 RRP: £74.00
Wifi Temperature Sensor Tuya Thermometer Detector Digital Display Home Smart Life App Alert Freezer f74 26-27s
£54.00 Save £55.00 RRP: £109.00
2026 SNZB-04P Zigbee Door Window Sensor Door Open/Close Detector for EWeLink App ZBBridge Required Work with Alexa Google Home
£13.95 Save £14.00 RRP: £27.95
WiFi Temperature Sensor Tuya Thermometer Detector Digital Display Home Smart Life App Alert Freezer Water Alarm EU Plug 26s
£69.00 Save £70.00 RRP: £139.00
2Pcs IR Alarm Sensor Automatic Beam Detector for Burglar Security System 26-27s
£41.95 Save £42.05 RRP: £84.00
Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install 26s
£12.95 Save £13.00 RRP: £25.95