Digital Angle FinderDigital angle finder with 4x90 measuring range, the horizontal bubble helps to judge the tilt direction of the product. Ideal for woodworking, construction, machinery, telecommunications, automobiles, etc. Magnetic Base There are powerful magnets built into the base that allow you to stick to any no matter what metal surface, it is very practical during inconvenience. LCD Display with Backlight Values can be read clearly and easily in the dark thanks to the green backlight. The high precision is 0.2, while 0.1 at 0 and 90 degrees. High Quality Material Made of ABS plastic and aluminum alloy, solid and durable, small and lightweight, convenient to carry and use, Multifunction Can automatically turn off after 5 minutes of non-use. When the inclinometer is reversed, the value on the LCD screen automatically flips for easy reading, no operation is needed for calibration.