Note: This documentation refers to Gravio 3.8 or older. For Gravio 4 or newer, please refer to the respective documentation on .

The Gravio Light component allows you to turn Gravio Light on / off and change the colour and brightness.
To use this component, you need to pair Gravio Light in advance.

Component Properties

Light selection formula Use the “Light selection formula” to define, which light bulb is being operated. This is only used if you have more than one Gravio Light and want to control individual Lights. See below for more details.
Is On On / Off designation
Hue Color specification (select from Red, Yellow, Green, Blue)
Brightness Select brightness (select from 0 to 255)

Light Selection Formula Property

When you are pairing your Gravio Light with the Zigbee dongle, you have the opportunity to give your Gravio Light a name. To do this, click the Edit button in the Zigbee devices overview:

Give it a meaningful name, e.g. for example its purpose and confirm the new name:

Now, you can use Regular Expressions in the Light Selection Property. For example:

  • ^Status Light 1$ will specify the light with the very name Status Light 1 from start to end
  • ^Status Light will specify all lights that start with Status Light, so potentially Status Light 1, Status Light 2, Status Light 3, Status Light 4 and so on
  • ^Status Light [1-3] will specify all that start with Status Light and are followed by the number 1, 2 or 3

For more details on Regular Expressions, please consult websites such as

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