Harmonics scanner is an mt4 Indicator which uses in forex trading, Harmonics scanner Indicator also know as Harmonic Pattern Indicator which is designed to determine patterns Gartley Buttery, which was first described by Harold Hartley in the author's book "Proton the Stock Exchange" in 1935. Gartley Buttery Pattern feature is that it is a model that has certain exact contours and mathematical relationships. The harmonic pattern indicator allows you to call market turning points with a high level of accuracy. Check out the Price Action Pin Bar Trading. The Harmonics scanner is a comprehensive pattern indicator and it comes in handy for both short term and long term traders. The Harmonics scanner indicator is optimized for the MT4 trading platform. It is a multi-timeframe indicator; meaning it can be used on any timeframe starting from one minute (M1) to one month (MN). This is what actually makes it a valuable tool for any type of trader. It is important to understand