Angle Gauge, Measuring Range - Maximum 180 Degrees , Measuring Range - Minimum 0 Degrees , Magnet Type Rare Earth, Number of Magnets 2, Accuracy - Other Angles +/- 0.2 Degrees , Overall Length 2 3/8 in, Battery Size AAA, Includes Batteries Batteries Included, Accuracy - 0 and 90 +/- 0.1 Degrees at 0 Degrees to 1 Degrees , 89 Degrees to 90 Degrees , 179 Degrees to 180 Degrees , Preset Angles 0 Degrees , Display Type LCD, Total Number of Vials 0