Smart Home Alarms & Sensors (25)

Looking to give your home a tech-savvy, 21st-century makeover? You may have the heating, power and lighting nailed down, but in this section you'll find a range of smart home alarms and sensors, all of which will give your home an edge when it comes down to security and safety. Whether you want to detect intruders or perhaps you live in a home at risk of flooding, there's a sensor or alarm to match. Take a look through our range of alarms and sensors from brands like Devolo, D-Link and Hive below.

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Free Delivery mydlink Home Smoke Detector

mydlink Home Smoke Detector

  • Photoelectric smoke sensor
  • Z-Wave v6.02 or above
  • It’s easy to set up and manage with the mydlink Home app
  • It works with other mydlink Home devices

£ 53.99  inc. vat

£ 44.99 ex. vat

More Info
Free Delivery Yale Smart Home Alarm & View Kit

Yale Smart Home Alarm & View Kit

  • Control via Smartphone
  • 868MHz Technology
  • Easy to Fit
  • 2 Year Guarantee

£ 415.98  inc. vat

£ 346.65 ex. vat

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Ezviz Wireless Open-Close Detector

  • User-friendly position detector
  • Easily Install on the horizontal plane of the door, window
  • and drawer.

£ 29.99  inc. vat

£ 24.99 ex. vat

More Info

Ezviz Wireless Water Leak Detector

  • Installed in any place likely to have a water leak
  • Sends notifications to users immediately via mobile phone
  • Easy to use

£ 29.99  inc. vat

£ 24.99 ex. vat

More Info

Ring Chime Pro

£ 44.97  inc. vat

£ 37.47 ex. vat

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Ring Solar Panel White

£ 43.96  inc. vat

£ 36.63 ex. vat

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Ring Quick Release Battery

£ 17.97  inc. vat

£ 14.97 ex. vat

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Free Delivery Ring Doorbell V2

Ring Doorbell V2

  • Instant mobile alerts
  • 1080HD wide-angle video
  • Built-in microphone and speakers
  • Infrared night vision
  • Hardwired or Battery operated

£ 149.99  inc. vat

£ 124.99 ex. vat

More Info
Free Delivery Yale Smart Home Alarm Starter Kit

Yale Smart Home Alarm Starter Kit

  • Control via Smartphone
  • 868MHz Technology
  • Easy to Fit
  • 2 Year Guarantee

£ 256.98  inc. vat

£ 214.15 ex. vat

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Free Delivery Yale Smart Home Alarm, View & Control Kit

Yale Smart Home Alarm, View & Control Kit

  • Control via Smartphone
  • Remote Viewing
  • Easy to Fit
  • 2 Year Guarantee

£ 470.99  inc. vat

£ 392.49 ex. vat

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Free Delivery EZVIZ smart home starter kit

EZVIZ smart home starter kit

  • A1 internet alarm hub x 1
  • k2 remote control x 1
  • T1 wireless pet immune PIR detector x 1
  • T6 wireless open-close detector x 1
  • power adapter x 1

£ 149.99  inc. vat

£ 124.99 ex. vat

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Ezviz Wireless Siren

  • Audible & visual alarm
  • Alarm sound and red indicators blink to deter stranger
  • Links with various other detectors

£ 34.98  inc. vat

£ 29.15 ex. vat

More Info
Free Delivery Somfy Outdoor Siren

Somfy Outdoor Siren

  • Sound level: 112 dB
  • Built-in deterrent orange flash
  • Auto-protection if moved or removed
  • 200m radio range between the siren and the Link

£ 129.99  inc. vat

£ 108.32 ex. vat

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Free Delivery

Ring Pro Doorbell

£ 200.97  inc. vat

£ 167.47 ex. vat

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Free Delivery

Ring Flood Light Camera with Siren Black

£ 223.96  inc. vat

£ 186.63 ex. vat

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Kerui Window/Door Contact Alarm

    £ 8.88  inc. vat

    £ 7.40 ex. vat

    More Info
    Free Delivery Mydlink Home Siren

    Mydlink Home Siren

    • mydlink Home Siren with optional battery back-up
    • Peace of mind
    • 6 different sounds
    • Your mydlink Home

    £ 55.98  inc. vat

    £ 46.65 ex. vat

    More Info

    Mydlink Home Door/Window Sensor

    • Multipurpose sensor
    • Wireless
    • Z-Wave
    • 868.4 MHz

    £ 40.49  inc. vat

    £ 33.74 ex. vat

    More Info

    Devolo Home Control Humidity Sensor

    • Humidity sensor
    • Wireless - Z-Wave
    • Indoor usage
    • 3 years warranty

    £ 42.93  inc. vat

    £ 35.77 ex. vat

    More Info
    Free Delivery Yale Smart Home Alarm Kit

    Yale Smart Home Alarm Kit

    • Control via Smartphone
    • 868MHz Technology
    • Easy to Fit
    • 2 Year Guarantee

    £ 354.99  inc. vat

    £ 295.82 ex. vat

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    Free Delivery EZVIZ A1 Internet Alarm Hub

    EZVIZ A1 Internet Alarm Hub

    • Accessible to various wireless detectors and provide a comprehensive...
    • Easy to installaton, total Wi-Fi soluton.
    • Supports human voice prompt, realize remote emergency call.

    £ 99.99  inc. vat

    £ 83.32 ex. vat

    More Info

    Kerui PIR Motion Alarm

      £ 15.48  inc. vat

      £ 12.90 ex. vat

      More Info

      Ring Doorbell Chime

      £ 26.97  inc. vat

      £ 22.47 ex. vat

      More Info
      Free Delivery

      Ring Flood Light Camera with Siren White

      £ 223.96  inc. vat

      £ 186.63 ex. vat

      More Info

      mydlink Home Smoke Detector

      • Photoelectric smoke sensor
      • Z-Wave v6.02 or above
      • It’s easy to set up and manage with the mydlink Home app
      • It works with other mydlink Home devices
      Free Delivery

      £ 53.99  inc. vat

      £ 44.99 ex. vat

      View Product
      More Info

      QuickFind: 775180   |   Mfr part code: DCH-Z310

      Yale Smart Home Alarm & View Kit

      • Control via Smartphone
      • 868MHz Technology
      • Easy to Fit
      • 2 Year Guarantee
      Free Delivery

      £ 415.98  inc. vat

      £ 346.65 ex. vat

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      QuickFind: 785423   |   Mfr part code: SR-330

      Ezviz Wireless Open-Close Detector

      • User-friendly position detector
      • Easily Install on the horizontal plane of the door, window
      • and drawer.

      £ 29.99  inc. vat

      £ 24.99 ex. vat

      View Product
      More Info

      QuickFind: 811220   |   Mfr part code: CS-T6-A

      Ezviz Wireless Water Leak Detector

      • Installed in any place likely to have a water leak
      • Sends notifications to users immediately via mobile phone
      • Easy to use

      £ 29.99  inc. vat

      £ 24.99 ex. vat

      View Product
      More Info

      QuickFind: 811223   |   Mfr part code: CS-T10-A

      £ 44.97  inc. vat

      £ 37.47 ex. vat

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      More Info

      QuickFind: 868233   |   Mfr part code: 8AC4P6-0EU0

      £ 43.96  inc. vat

      £ 36.63 ex. vat

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      QuickFind: 868239   |   Mfr part code: 8ASPS7-WEU0

      £ 17.97  inc. vat

      £ 14.97 ex. vat

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      QuickFind: 868240   |   Mfr part code: 8AB1S7-0EN0

      Ring Doorbell V2

      • Instant mobile alerts
      • 1080HD wide-angle video
      • Built-in microphone and speakers
      • Infrared night vision
      • Hardwired or Battery operated
      Free Delivery

      £ 149.99  inc. vat

      £ 124.99 ex. vat

      View Product
      More Info

      QuickFind: 804851   |   Mfr part code: 8VR1S7-0EU0

      Yale Smart Home Alarm Starter Kit

      • Control via Smartphone
      • 868MHz Technology
      • Easy to Fit
      • 2 Year Guarantee
      Free Delivery

      £ 256.98  inc. vat

      £ 214.15 ex. vat

      View Product
      More Info

      QuickFind: 785421   |   Mfr part code: SR-310

      Yale Smart Home Alarm, View & Control Kit

      • Control via Smartphone
      • Remote Viewing
      • Easy to Fit
      • 2 Year Guarantee
      Free Delivery

      £ 470.99  inc. vat

      £ 392.49 ex. vat

      Finance from per month.
      ( APR) representative

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      More Info

      QuickFind: 785424   |   Mfr part code: SR-340

      EZVIZ smart home starter kit

      • A1 internet alarm hub x 1
      • k2 remote control x 1
      • T1 wireless pet immune PIR detector x 1
      • T6 wireless open-close detector x 1
      • power adapter x 1
      Free Delivery

      £ 149.99  inc. vat

      £ 124.99 ex. vat

      View Product
      More Info

      QuickFind: 811217   |   Mfr part code: BS-113A

      Ezviz Wireless Siren

      • Audible & visual alarm
      • Alarm sound and red indicators blink to deter stranger
      • Links with various other detectors

      £ 34.98  inc. vat

      £ 29.15 ex. vat

      View Product
      More Info

      QuickFind: 811221   |   Mfr part code: CS-T9-A

      Somfy Outdoor Siren

      • Sound level: 112 dB
      • Built-in deterrent orange flash
      • Auto-protection if moved or removed
      • 200m radio range between the siren and the Link
      Free Delivery

      £ 129.99  inc. vat

      £ 108.32 ex. vat

      View Product
      More Info

      QuickFind: 829881   |   Mfr part code: 2401491A

      Free Delivery

      £ 200.97  inc. vat

      £ 167.47 ex. vat

      View Product
      More Info

      QuickFind: 868231   |   Mfr part code: 8VR4P6-0EU0

      Free Delivery

      £ 223.96  inc. vat

      £ 186.63 ex. vat

      View Product
      More Info

      QuickFind: 868234   |   Mfr part code: 8SF1P7-BEU0

      £ 8.88  inc. vat

      £ 7.40 ex. vat

      View Product
      More Info

      QuickFind: 843544   |   Mfr part code: KR-D2

      Mydlink Home Siren

      • mydlink Home Siren with optional battery back-up
      • Peace of mind
      • 6 different sounds
      • Your mydlink Home
      Free Delivery

      £ 55.98  inc. vat

      £ 46.65 ex. vat

      View Product
      More Info

      QuickFind: 723768   |   Mfr part code: DCH-Z510

      Mydlink Home Door/Window Sensor

      • Multipurpose sensor
      • Wireless
      • Z-Wave
      • 868.4 MHz

      £ 40.49  inc. vat

      £ 33.74 ex. vat

      View Product
      More Info

      QuickFind: 723772   |   Mfr part code: DCH-Z110

      Devolo Home Control Humidity Sensor

      • Humidity sensor
      • Wireless - Z-Wave
      • Indoor usage
      • 3 years warranty

      £ 42.93  inc. vat

      £ 35.77 ex. vat

      View Product
      More Info

      QuickFind: 766285   |   Mfr part code: 9667

      Yale Smart Home Alarm Kit

      • Control via Smartphone
      • 868MHz Technology
      • Easy to Fit
      • 2 Year Guarantee
      Free Delivery

      £ 354.99  inc. vat

      £ 295.82 ex. vat

      Finance from per month.
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      More Info

      QuickFind: 785422   |   Mfr part code: SR-320

      EZVIZ A1 Internet Alarm Hub

      • Accessible to various wireless detectors and provide a comprehensive...
      • Easy to installaton, total Wi-Fi soluton.
      • Supports human voice prompt, realize remote emergency call.
      Free Delivery

      £ 99.99  inc. vat

      £ 83.32 ex. vat

      View Product
      More Info

      QuickFind: 811218   |   Mfr part code: CS-A1-32W

      £ 15.48  inc. vat

      £ 12.90 ex. vat

      View Product
      More Info

      QuickFind: 843545   |   Mfr part code: KR-P6

      £ 26.97  inc. vat

      £ 22.47 ex. vat

      View Product
      More Info

      QuickFind: 868232   |   Mfr part code: 8AC3S5-0EU0

      Free Delivery

      £ 223.96  inc. vat

      £ 186.63 ex. vat

      View Product
      More Info

      QuickFind: 868235   |   Mfr part code: 8SF1P7-WEU0

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      Making your home safer and more secure is easy with the smart home alarms and sensors listed on this page. They'll defend your home from intruders and environmental threats, giving you warnings and the time to take action.

      We stock products such as motion sensors for doors, windows and rooms; smoke, water, carbon monoxide and humidity sensors; and mounts to place them. Then there are alarms which either emit noise or notify you via a smartphone app, letting you keep on top of any issues that arise remotely.

      All of the major smart home brands can be found in our range, and if your order comes to £49.99 or over we'll throw in free delivery. What's more, if you find what you want elsewhere for less, we'll match the price under our price match promise.

      Scroll up and explore the range.