The MacD Digital Kahler FL indicator is a useful tool for Forex traders. It is a popular and free indicator for MT4 and can be used to identify potential trading opportunities. This indicator is based on the Moving Average Convergence Divergence (MACD) indicator, and it is designed to give traders an idea of when to enter or exit a trade. The indicator uses a combination of two different moving averages to identify trend changes and potential entry and exit points.