Digital Angle Measurement --- This product can be used to measure tilt and tilt rate and is suitable for woodworking and automotive maintenance industries. Accuracy --- The measurement range is 0-90, and the measurement accuracy is less than 0.2. LCD DISPLAY --- With its own backlight function, the backlight can be turned on or off. The smallest value that can be displayed on the screen is 0.01. Special functions - with zero adjustment, data hold function, automatic shutdown, low battery indicator. Convenient Design --- When this counter is reversed, the number will return. The bottom is equipped with a magnet that can be attached to metal. describe: Finder / Protractor provides fast and accurate measurements in the areas woodworking, construction, machinery, telecommunications, automotive and others. The additional LCD display is easy to read. Small and light, very easy to carry and use. The measuring plane contains a magnetic disk which can be connected to the surface to be measured. It is especially easy to measure the height of a helicopter, the bevel angle of a miter saw, and automotive testing and maintenance. feature: Small and light, easy to carry Built-in strong magnet on the base can fix the accessory on any iron surface Large digital LCD display with backlight Fast and accurate measurement Automatic shutdown after 5 minutes of inactivity Specification: Measuring range: 4*90 (0-360) Accuracy: +/- 0.1 degree at 0 degree and 90 degree, and 0.2 degree for the rest Resolution: 0.01 degree Waterproof: IP54 Power supply: 2 AAA batteries (batteries not included) Package Included: 1 x Digital Level Box 1 x User Manual