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    2. Home, Furniture & DIY
    3. Home Security
    4. Door & Window Sensors
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    Door & Window Sensors

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    • Home Security
    • Door & Window Sensors
    • Alarm Systems
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    • Type

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    List view

    1-48 of 3,875 results

    • DOOR HANDLE/KNOB ALARM / INTRUDER ALARM. DETECTS DOOR OPENING. ADJ SENSITIVITY

      DOOR HANDLE/KNOB ALARM / INTRUDER ALARM. DETECTS DOOR OPENING. ADJ SENSITIVITY

      £6.50 to £35.00
      Click & Collect
      Free postage
    • ERA miGuard Wireless PIR,  Sensor and Remote Accessory Pack PMR1

      ERA miGuard Wireless PIR, Sensor and Remote Accessory Pack PMR1

      £20.00
      Click & Collect
      £3.68 postage
      or Best Offer
      34 watching
    • Texecom Ricochet Premier Elite Micro Door Contact-W White GHA-0001

      Texecom Ricochet Premier Elite Micro Door Contact-W White GHA-0001

      5 out of 5 stars
      (2)2 product ratings - Texecom Ricochet Premier Elite Micro Door Contact-W White GHA-0001
      £29.99
      Free postage
    • Texecom Premier Elite LCDLP Keypad (DBD-0168)

      Texecom Premier Elite LCDLP Keypad (DBD-0168)

      £63.00
      Click & Collect
      £3.70 postage
    • Hive Window or Door Sensor

      Hive Window or Door Sensor

      5 out of 5 stars
      (19)19 product ratings - Hive Window or Door Sensor
      £16.00
      6 bids
      £3.20 postage
      Ending Sunday at 5:20PM GMT2d 9h
      Click & Collect
    • Safety & Security Window Film Anti Shatter Clear Glass Protection Bomb Blast

      Safety & Security Window Film Anti Shatter Clear Glass Protection Bomb Blast

      £0.99 to £411.39
      Free postage
    • Koogeek KDS2 Magnetic Door/Window Sensor Smart WiFi Wireless Remote Access

      Koogeek KDS2 Magnetic Door/Window Sensor Smart WiFi Wireless Remote Access

      £11.95
      Click & Collect
      Free postage
    • GARAGE GRENADE Trip Wire alarm system Shed Alarm Garage Door Alarm Mine Tact Ale

      GARAGE GRENADE Trip Wire alarm system Shed Alarm Garage Door Alarm Mine Tact Ale

      £13.95
      Click & Collect
      Free postage
      503 sold
    • 8 WIRELESS LOUD BURGLAR INTRUDER DOOR WINDOW HOUSE SECURITY SAFETY ALARM SENSOR

      8 WIRELESS LOUD BURGLAR INTRUDER DOOR WINDOW HOUSE SECURITY SAFETY ALARM SENSOR

      £2.99 to £10.99
      Free postage
      1,021 sold
    • Honeywell IS312 Passive Infrared Motion Sensor PIR Pet immune - Replaces IS215T

      Honeywell IS312 Passive Infrared Motion Sensor PIR Pet immune - Replaces IS215T

      5 out of 5 stars
      (31)31 product ratings - Honeywell IS312 Passive Infrared Motion Sensor PIR Pet immune - Replaces IS215T
      £9.65
      Click & Collect
      (£9.65/Unit)
      Free postage
      288 sold
    • Tuya Smart WiFi Cloud Home Security & Alarm System works with Alexa/Google - UK

      Tuya Smart WiFi Cloud Home Security & Alarm System works with Alexa/Google - UK

      £0.99 to £124.50
      FAST & FREE
    • Wireless Magnetic Door Entry Alarm Chime Door Open Alert 1 Doorbell 2 Sensor UK

      Wireless Magnetic Door Entry Alarm Chime Door Open Alert 1 Doorbell 2 Sensor UK

      £24.99
      (£24.99/Unit)
      FAST & FREE
      2 watching
    • Alarm System, ERA miGuard, AW1iP116, Wireless WiFi, IP Camera, Lobby, Porch

      Alarm System, ERA miGuard, AW1iP116, Wireless WiFi, IP Camera, Lobby, Porch

      £49.90
      FAST & FREE
      51 sold
    • Era miguard Smartphone Wifi Alarm System

      Era miguard Smartphone Wifi Alarm System

      £39.00
      Click & Collect
      £3.68 postage
    • Wireless Smart House Alarm System Kit Home Intruder Burglar Smoke PIR Wifi

      Wireless Smart House Alarm System Kit Home Intruder Burglar Smoke PIR Wifi

      £12.95 to £34.95
      FAST & FREE
      Click & Collect
      6 watching
    • Hive Window or Door Sensor NEW & SEALED

      Hive Window or Door Sensor NEW & SEALED

      £10.50
      6 bids
      £3.20 postage
      Ending 28 Jan at 2:38PM GMT6d 6h
    • Texecom Premier Elite KIT-0002 64-W Ricochet 64 Zone Wireless Alarm Kit

      Texecom Premier Elite KIT-0002 64-W Ricochet 64 Zone Wireless Alarm Kit

      5 out of 5 stars
      (1)1 product ratings - Texecom Premier Elite KIT-0002 64-W Ricochet 64 Zone Wireless Alarm Kit
      £247.99
      FAST & FREE
      Click & Collect
      63 sold
    • Hive Door and Window  Sensor - New

      Hive Door and Window Sensor - New

      £20.00
      0 bids
      £3.50 postage
      Ending Today at 6:05PM GMT10h 19m
      Click & Collect
    • (C&C) Wireless GSM Alarm with PIR's and Door Sensor

      (C&C) Wireless GSM Alarm with PIR's and Door Sensor

      £29.99
      Collection in person
    • 3G GSM Intercom with Door & Gate Lock Release Outputs (compact size).

      3G GSM Intercom with Door & Gate Lock Release Outputs (compact size).

      £157.95 to £169.95
      Click & Collect
      Free postage
      49 sold
    • 2 LOUD 95DB WIRELESS DOOR WINDOW ALARMS VIBRATION SHOCK GLASS BREAK OFFICE HOME

      2 LOUD 95DB WIRELESS DOOR WINDOW ALARMS VIBRATION SHOCK GLASS BREAK OFFICE HOME

      3.5 out of 5 stars
      (3)3 product ratings - 2 LOUD 95DB WIRELESS DOOR WINDOW ALARMS VIBRATION SHOCK GLASS BREAK OFFICE HOME
      £4.49
      Free postage
    • Shed Alarm, door magnet 12v/240v security system Shed, Lock up remote option

      Shed Alarm, door magnet 12v/240v security system Shed, Lock up remote option

      £26.99 to £43.99
      Click & Collect
      £3.99 postage
      24 sold
    • Steel Security  Door /Gate with Lockbox  2mtr x 1mtr powder coated black

      Steel Security Door /Gate with Lockbox 2mtr x 1mtr powder coated black

      £135.00
      £20.00 postage
      78 sold
    • Hive Window or Door Sensor NEW & SEALED

      Hive Window or Door Sensor NEW & SEALED

      £20.00
      0 bids
      £4.00 postage
      Ending 27 Jan at 3:03PM GMT5d 7h
      or Best Offer
    • NEW PYRONIX MC1MINI-WE WIRELESS ALARM DOOR CONTACT WITH BATTERY

      NEW PYRONIX MC1MINI-WE WIRELESS ALARM DOOR CONTACT WITH BATTERY

      4 out of 5 stars
      (1)1 product ratings - NEW PYRONIX MC1MINI-WE WIRELESS ALARM DOOR CONTACT WITH BATTERY
      £25.00
      Click & Collect
      £3.85 postage
    • Smart Life TUYA APP WiFi Door & Window Alarm Sensor  Smart Home Security System

      Smart Life TUYA APP WiFi Door & Window Alarm Sensor Smart Home Security System

      £10.59 to £31.07
      Free postage
      2 watching
    • Texecom Elite / Texecom Veritas NVM Unlocking Service

      Texecom Elite / Texecom Veritas NVM Unlocking Service

      £20.00
      Click & Collect
      £3.90 postage
      27 watching
    • Joblot Of 11 Honeywell DT8016AF5 Dual Tec Motion Alarm Sensor Anti Mask Intruder

      Joblot Of 11 Honeywell DT8016AF5 Dual Tec Motion Alarm Sensor Anti Mask Intruder

      £225.00
      Click & Collect
      £9.50 postage
      or Best Offer
    • *SALE* Visonic Powermax MCT-320 868MHz Door Contact 0-2381-1 Brand New + Battery

      *SALE* Visonic Powermax MCT-320 868MHz Door Contact 0-2381-1 Brand New + Battery

      5 out of 5 stars
      (14)14 product ratings - *SALE* Visonic Powermax MCT-320 868MHz Door Contact 0-2381-1 Brand New + Battery
      £28.50
      Click & Collect
      Free postage
      or Best Offer
    • 3x hive door sensor’s

      3x hive door sensor’s

      £60.00
      Click & Collect
      £3.20 postage
    • NEW Tuya Wireless GSM SMS WiFi Smart APP Home Security Burglar Alarm System Kit

      NEW Tuya Wireless GSM SMS WiFi Smart APP Home Security Burglar Alarm System Kit

      £4.99 to £72.49
      Free postage
    • Outdoor PIR Motion Detector For Perimeter Intruder Detection by Texecom

      Outdoor PIR Motion Detector For Perimeter Intruder Detection by Texecom

      £61.99
      (£61.99/Unit)
      Click & Collect
      Free postage
      Only 3 left
    • Reed Magnet Set Burglar Door Window Contact Alarm Switch Sensor N/O(Closed Loop)

      Reed Magnet Set Burglar Door Window Contact Alarm Switch Sensor N/O(Closed Loop)

      £2.49 to £7.45
      Click & Collect
      Free postage
      200 sold
    • Tuya Smart WiFi Cloud Home Security Alarm System works with Alexa - UK Stock

      Tuya Smart WiFi Cloud Home Security Alarm System works with Alexa - UK Stock

      3 out of 5 stars
      (1)1 product ratings - Tuya Smart WiFi Cloud Home Security Alarm System works with Alexa - UK Stock
      £0.99 to £59.50
      FAST & FREE
    • Texecom Premier Elite KIT-0086 64-W Ricochet 64 Zone Wireless Alarm Kit

      Texecom Premier Elite KIT-0086 64-W Ricochet 64 Zone Wireless Alarm Kit

      £214.33
      FAST & FREE
      Click & Collect
      35 watching
    • Steel SECURITY Door /Gate  2mtr x 1mtr Powder Coated Grey FULL ANGLE IRON FRAME

      Steel SECURITY Door /Gate 2mtr x 1mtr Powder Coated Grey FULL ANGLE IRON FRAME

      £209.00
      Free postage
      Only 3 left
    • Shock Alert

      Shock Alert

      £6.99
      0 bids
      Free postage
      Ending Today at 7:49PM GMT12h 3m
      or Best Offer
      Click & Collect
    • Tuya APP Smart Life WIFI Door&Window Alarm Sensor Detector For Google Alexa Home

      Tuya APP Smart Life WIFI Door&Window Alarm Sensor Detector For Google Alexa Home

      £6.59 to £30.59
      Free postage
    • Yale Smart Living Easy Fit Wireless Pet PIR Motion Detector For SR & EF Series

      Yale Smart Living Easy Fit Wireless Pet PIR Motion Detector For SR & EF Series

      £23.99
      Free postage
      Click & Collect
      8 watching
    • Yale PIR motion detector & door contact for HSA range alarm

      Yale PIR motion detector & door contact for HSA range alarm

      £29.99
      £4.10 postage
    • Honeywell LED Wireless Home Security System Burglar Alarm Window Door Sensor

      Honeywell LED Wireless Home Security System Burglar Alarm Window Door Sensor

      £29.99
      Free postage
      Click & Collect
      102 sold
    • Pyronix Wireless Enforcer NVM Unlocking Service

      Pyronix Wireless Enforcer NVM Unlocking Service

      £20.00
      Click & Collect
      £3.90 postage
      19 watching
    • Texecom Premier Elite Ricochet Wireless Shock Sensor GBC-0001

      Texecom Premier Elite Ricochet Wireless Shock Sensor GBC-0001

      5 out of 5 stars
      (3)3 product ratings - Texecom Premier Elite Ricochet Wireless Shock Sensor GBC-0001
      £33.00
      Click & Collect
      Free postage
      3 watching
    • 2 X DEFENDER DOOR HANDLE ALARM EL0002 (0620)

      2 X DEFENDER DOOR HANDLE ALARM EL0002 (0620)

      £24.99
      £2.99 postage
      2 watching
    • Pyronix ENF/KIT3-UK PSTN Enforcer 32-WE Complete Wireless Home Office Alarm Kit

      Pyronix ENF/KIT3-UK PSTN Enforcer 32-WE Complete Wireless Home Office Alarm Kit

      5 out of 5 stars
      (3)3 product ratings - Pyronix ENF/KIT3-UK PSTN Enforcer 32-WE Complete Wireless Home Office Alarm Kit
      £289.99
      Click & Collect
      Free postage
      19 watching
    • Wireless Magnetic Door Entry Alarm Chime Door Open Alert 1 Doorbell 2 Sensor UK

      Wireless Magnetic Door Entry Alarm Chime Door Open Alert 1 Doorbell 2 Sensor UK

      £24.73
      FAST & FREE

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