Grizzly T21562 Angle cube 2-Inch Digital Level/Bevel This Angle Cube 2" Digital Level/Bevel features a super large reversible LCD display, CNC machined aluminum body with chrome finish and strong magnets on both sides and bottom Measure relative bevel, US made sensor, absolute sea level traceable, Tangent tilt rate % shows tilt angle in % reading Standard 9V battery for 250+hours of use, Accuracy: 0.2, Resolution: 0.05