Out of stock

Shelly 4 PRO

£64.99 £69.99 Save £5.00
Excl. VAT £54.16
Shipped within 48 hours

WiFi-operated quad relay switch

Control a wide range of home appliances and office equipment (lights, sockets, security systems, radiators, air conditioners, etc.)  from anywhere, with the din-mounted Shelly 4 PRO

  • Mobile App Control

    Turn appliances on/off directly from your smartphone or tablet.

  • Power Metering

    Shelly 4 PRO has an integrated precise power meter. You can measure the overall consumption of all the electric devices you are controlling.

  • Weekly Scheduling

    Create custom daily schedules for your devices. You can set the on/off time for each channel independently.

  • Wi-Fi Connected

    Simply connect Shelly to your Wi-Fi network and begin the ultimate experience by controlling your home with your phone.

  • Voice Assistant Compatible

    Control your appliance with your voice. Shelly 4 PRO is Google home and Amazon Echo compatible.

  • 4 Channels with up to 9.2KW Controlling Power

    With a maximum load current per output of 10A/230V 50/60Hz or 2300W, you can control a wide range of home appliances and office equipment.

  • Free Cloud

    All you need to manage your Shelly 4 PRO is a smartphone and the Shelly Cloud free mobile application.



  • Power Supply 110-230V ±10% 50/60Hz AC
  • Max load per channel 10A / 230V, 50/60Hz
  • Electrical Consumption < 1W


  • Complies with EU Standards • RE Directive 2014/53/EU
    • LVD 2014/35/EU
    • EMC 2004/108/WE
    • RoHS2 2011/65/UE
  • Working temperature 0 – 40°C


  • Wireless/WiFi Protocol 802.11 b/g/n (2.4 GHz)
  • Frequency 2400 – 2500 MHz
  • Operational range (depending on local construction) • up to 50 m outdoors
    • up to 30 m indoors
  • Radio Signal Power 1mW


  • (HxWxL) 90 x 52 x 57 mm

How it works?

Download the Shelly Cloud application on your smartphone or tablet
Connect Shelly 4 PRO to your Wi-Fi router
Place the device wherever you wish


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