USEFUL 3-IN-1 DEVICE WITH BRIGHT SCREEN - This all-new digital gadget includes a protractor, angle finder and level in one measuring tool. Clear and bright display helps you work in dark conditions. WIDE APPLICATIONS - Great tool for automotive, woodworking and mechanical industries, machinery, medical fields, etc. STRONG V GROOVE MAGNETIC BASE - V Groove base with 3 strong magnets provides strong attachment to curved or cylindrical magnetic surfaces such as metal pipes or shafts CONVERT ANGLE TO D' OTHER UNITS: degrees, %, mm/m and in/ft: No more guessing or fuzzy conversion ABSOLUTE AND RELATIVE MEASUREMENT - Regular absolute measurement mode can only measure the angle relative to the horizontal plane. This tool also has a relative measurement mode to quickly measure the angle between two measured surfaces. Color: Black Size: as shown Delivered quantity: 1 piece