Features:Accuracy: Angle gauge provide an Accuracy of ±0.1° and a resolution of 0.05°. It works well in measuring or setting angles, checking relative angles, measuring the bevel angle of miter saws, automobile test and repair, or used as a digital levelVersatility: Compared to others, digital angle finder magnetic provides 4 display units, and can switch freely from degree(°), percentage(%), mm/m, in/ft. Besides, with data storage function, "Erro" indicator function, "Zero" switches relative angle etc. Multi practical functions of this angle gauge allow users to be more efficient and make their job easierHigh-visibility: Specially designed with high visibility auto-rotating display, which has higher definition digitals. No worrying about hard viewing even with poor eyesight or using in dark areasWide Applications: Widely used in house decoration, building Construction, automobile testing and repair, road and bridge slope detection, etc. The protractor is portable and convenient, whether you are a beginner, Construction worker, decoration designer, maintenance worker, craftsman, or other professional, the angle gauge is a great helper and choice for angle measurement and adjustment.Bright Backlight Display: Helps you to read clearly even when working at night.Strong Magnetic Base: Can be firmly attached to any metal surface.Horizontal & Vertical Level Bubble: Help judge the tilt direction of the product, for leveling work without a battery.Hold Function: Used to lock detection results.Auto-rotating Display: Help easy reading in 360 degrees.4 Units of Measurements: Include ° degrees / % / mm/m / IN/FT.Zero Function: Calibrate the Angle Finder to maximize reliability and Accuracy.6-Inch Digital Level, Angle Slope with LCD Display and Magnetic Base with Vertical & Horizontal Spirit Bubble Vials.