Bosch 4-in-1 Digital Angle Finder GAM 220 MF VERSATILITY: The Bosch GAM 220 MF provides four tools in one including an angle finder, miter calculator, protractor and level. MEMORY: This angle finder provides angle memory, to provide the same angle measurement in different areas of the jobsite. DISPLAY: Easy-to-read illuminated, rotating flip display. The miter cut calculation has an input measurement from 0-220 degrees.. DURABLE: Features robust housing with IP54 protection, making the angle finder water and dust resistant. COMPELTE: The Bosch GAM 220 MF includes a 4-in-1 digital angle finder, 16 in. leg extension, hard thermoformed case, 4 AA 1.5V batteries.