The Cloud Controller Extension Kit includes a remote tap unit. This Extension Kit works in conjunction with the Hozelock Cloud Controller Hub, which comes with the Cloud Controller Kit. Operated using a mobile App (available on iOS or Android operating system), it allows you to remotely set unique watering schedules for your garden. The Cloud Controller is easy to set up and includes a Hub that is connected directly to an internet router (not supplied) to provide a secure system. Each Hub is capable of supporting up to 4 remote taps. Remote tap unit to deliver automatic watering in different areas of your garden. Size H16.3, W7.8, D12.7cm. 2 year manufacturer guarantee.