The Electronic Level Inclinometer displays angle and inclination simultaneously. Features ad working range of angle measurement 4 x 90deg . Audible tone confirms inclination position from 0 to 90deg . Accuracy: ±0.1deg for 0deg and 90deg , ±0.2deg for 1deg to 89deg , Display Type: LCD, Battery Type: AAA, Length (in.): 6, Battery Included: Yes, Display Shows: Angle/inclination simultaneously, Angle Reference: 4 x 90deg , Case Included: Yes