Filters

Security System Sensors

Shop the best prices on 13,056 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.

Filters
2,625 - 2,656 of 3,200
Anti-Thief Wireless Door Alarm Abnormal Door Opening Immediate Alarm_i*
£6.95 Save £13.00 RRP: £19.95
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_
£12.95 Save £16.00 RRP: £28.95
Refrigerator And Freezer Alarm, Door Left Open, Reminders At 60 Seconds Or More-2025
£9.95 Save £9.00 RRP: £18.95
Anti-Thief Wireless Door Alarm Abnormal Door Opening Immediate Alarm_i*
£6.95 Save £13.00 RRP: £19.95
Alarm when freezer door opens, security window alarm, 4 in 1 sensor doorbell opens
£44.95 Save £24.05 RRP: £69.00
Refrigerator And Freezer Alarm, Door Left Open, Reminders At 60 Seconds Or More-2025
£9.95 Save £12.00 RRP: £21.95
SNZB-04P Zigbee Door and Window Sensor Local Smart Scene Linkage Tamper Alarm Security Compatible with Alexa Home
£16.95
10 Sets Magnetic Reed Switch DC100V NC Recessed Wired Door Window Contact Sensor Switch for Alarm Sy
£20.95
10 Sets Recessed Wired Security Window Door Sensor DC100V 10W Magnetic Door Sensor for Access Contro
£29.95
Infrared Beam Detector Burglar Ir Alarms Sensor Alarm System
£17.95 Save £18.00 RRP: £35.95
Infrared Beam Detector Burglar Ir Alarms Sensor Alarm System
£11.95 Save £12.00 RRP: £23.95
24Pcs Door and Window Alarm Electronic Alarm Window Alarm Sensor Anti-Burglary Window Security Alar
£35.95 Save £9.00 RRP: £44.95
Door And Window Sensors 5pcs Mc-38 Recessed Wired Door Window Sensor Door Window Alarm Magnetic Switch
£8.95 Save £10.00 RRP: £18.95
10pcs Wired Door Window Sensor Magnetic Switch for Home Security Alarm System Compatible with Burglar Protection
£8.95 Save £4.00 RRP: £12.95
1~5PCS New Longer Door Window Wireless Burglar Alarm With Magnetic Sensor Home Safety Wireless Longer System Security Device
£8.95
M12 52 Music Wireless Sensor Welcome Doorbell Shop Entry Detector Alarm with 2 Transmitters
£30.95
Infrared/IR Beam Detector Sensor for Perimeter Protection Outdoor Security System
£16.95 Save £5.00 RRP: £21.95
Compact Loud Volume Car Door Alarm Sensor Alert for SUVs
£38.95
TY-192 Tuya Smart Home WiFi Temperature And Humidity Sensor
£32.95
Solar Light Sensors Energy Efficient Waterproof Outdoor Brightness Detection Luminance Sensors Easy To Installation Multicolor
£44.95
Tuya ZigBee WiFi window door sensor wireless magnetic detector
£13.95
10pcs 433MHz Wireless Vibration Glass Break Detector, Adjustable Sensitivity, Compatible with Alarm Systems
£43.95 Save £15.05 RRP: £59.00
Mini Door Window Magnetic Sensor Wireless Security Burglar Alarm for Home and Hotel, Available in 1/2/4 Pieces
£54.00
Contactless Infrared Door Release Switch with No Touch Sensor
£26.95
Wired Door Sensor Magnetic Switch Home Door Window Entry Warning Switch Home Anti-theft Alarm Dustproof Waterproof Multicolor
£10.95
Magnetic Door Switch Recessed Wired Contact Sensor for Window DC100V NC
£10.95 Save £11.00 RRP: £21.95
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
£9.95 Save £12.00 RRP: £21.95
2025 Latest Model Aqara Light Sensor T1 Zigbee 3.0 Brightness Sensor Smart Home
£54.00 Save £55.00 RRP: £109.00
Bestseller Door and window sensors 5 pcs. Recessed Wired Door Window Sensor Door Window Alarm Sensor Home Security Alarm System
£20.95 Save £3.00 RRP: £23.95
2025 Tuya Wifi Door Magnetic Smart Window Sensor Door Door Detector Smart Home Alarm System for Alexa Go
£17.95 Save £2.00 RRP: £19.95
Tuya Smart WiFi SOS Button Emergency Wireless Security Alarm Panic Device for Elderly Kids for Safety Smart Life Remote
£10.95
Magnetic Door Window Contact Sensor Alarm Wired-Metal Security Burglars Alarm
£13.95