Features: Multi-purpose Angle Gauge with 3 button functionality includes A Zero features to determine relative angles, Hold features to freeze readouts and ON/OFF to power on/off. Built in Level Bubble Vial on the top for leveling work, more intuitive to see the tilt angle. Wide measuring range of 0 ~ 360°. ABS Plastic enclosure, light weight, portable size and durable. Digital Angle Gauge is great for precision angle measurements. Suitable for calculating in helicopter/ bevel angle of miter saw/ automobile test and repair; hanging pictures on the wall, setting decorative bricks in the garden, etc. Relative / absolute measurement interchange at any position. Angle and slope readout conversion. LCD Display improves visibility. With built-in magnets in measuring surface, which is convenient to be attached to the object measuring workpiece. Power-off automatically in 5 minutes. Specifications: Wide measuring range: 0 ~ 360°; Accuracy: ±0.1; Resolution: 0.1°; Power Supply: AAA*2 (not included); Dimensions: 56*56*30mm; Weight: 75g; Package size: 60*60*35mm; Package list: 1 x Digital Protractor