The Wolf Waves Scanner Indicator is a popular and free MT4 indicator for Forex traders. The indicator uses a combination of trend-following and counter-trend indicators to identify the possible wave patterns. It then displays the wave patterns in a visual format, allowing traders to quickly and easily identify potential trading opportunities. The indicator is easy to use and can be quickly set up on any MT4 platform. It is a great tool for traders looking to identify potential wave patterns in the Forex market.