High Precision of the Tool: The angle gauge has the accuracy level of 0.1 at 0 and 90, and 0.2 at other angles, with a high resolution of 0.05, it works well for measuring or setting angles, checking relative angles, measuring miter saw bevel angle 4 Measuring Units: Our electronic angle finder provides 4 display units, can freely switch from degree()percentage(%), mm/m, in/ft. In addition, with data storage function, the readings are displayed on a clear VA LCD screen in black characters and black backlight, it makes the results readable in any lighting conditions Upgraded Angle Finder with Horizontal Bubble: This digital angle finder with a V-groove magnetic base, which can be more stably fixed on round pipes and other metal surfaces, and increases a bubble vial, which can be used to determine the level when there is no battery Easy to Read: The Angle Finder electronic level with LCD screen, has high definition numbers and bright backlight, no worry about difficult viewing even with poor eyesight or using in dark areas Widely Application: Widely used in building construction, decoration of houses, car repair, road and bridge slope detection, etc. The protractor is lightweight, easy to carry and convenient to use, the angle gauge is a great helper for angle measurement and adjustment, it is a sturdy and reliable best friend for any woodworker, builder or craftsman