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 degrees, 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. FOUR TOOLS IN ONE The Bosch GAM 220 MF can be used as a angle finder, miter calculator, protractor and level. MEMORY The angle finder provides angle memory, to provide the same angle measurement in different areas of the jobsite. DISPLAY Easytoread illuminated, rotating flip display. The miter cut calculation has an input measurement from 0220 degrees. DURABLE Features robust housing with IP54 protection, making the angle finder water and dust resistant. LEG EXTENSION The angle finder is extendable up to 16 inches long.