Electronic Level Measuring Range - Maximum 360 Degrees Measuring Range - Minimum 0 Degrees Magnet Type Neodymium Number of Magnets 4 Accuracy - Other Angles +/-0.20 Degrees Overall Length 24 in Battery Size AAA Includes Batteries Batteries Included Accuracy - 0 and 90 +/-0.10 Degrees Frame Material Aluminum Preset Angles 90 Degrees Total Number of Vials 2 Accuracy - Inverted 0.1 Degrees /.125in/ft Accuracy - Standard 0.1 Degrees /.125in/ft Color Silver