The Bosch GAM 220 MF Digital Angle Finder is four tools in one: an angle finder, a cut calculator, a protractor and a level. The flip display is illuminated and rotating, making it easy to read. The simple miter cut calculation has an input range of 0-220°, and it includes a compound cut calculator. It has clearly labeled buttons for straightforward calculations. This angle finder provides angle memory, to provide the same angle measurement in different areas of the jobsite. The tool has robust housing with IP 54 protection. It's a perfect tool for carpenters, remodelers and contractors.