The Donchian Channel is a technical analysis indicator created by Richard Donchian that tracks the highs and lows reached by the market in a given time frame. The indicator consists of three main lines: an upper, a lower, and a middle line. These lines delineate a channel that helps identify the trend, support and resistance zones, and breakout points.
Clicking on the indicator settings icon will open its configuration window, within which you can make several choices regarding the indicator's functionality.
In the Parameters section you can set the Channel periods:
In the Subgraph section, you can set the colors and style of the Channel, +DI, and -DI: