Digital Goniometer This product can be used to measure angles and tilt ratios, and is especially suitable for woodworking and auto repair industries. Accuracy Measures from 0 to 90° with an accuracy of less than 0.2°. LCD display with backlight function, the backlight can be turned on or off. A minimum reading of 0.01 can be displayed on the screen. Special functions such as zero reset, data hold function, auto power off, low battery indication. Practical design: When the meter is reversed, the digits are also reversed. The bottom of the device is equipped with a magnet that allows it to be attached to metal. Size: 5.7*5.4*2.5cm Specification: Measuring range: 4*90°0-360°- Accuracy: +/- 0.1 degree at 0 and 90 degrees and 0.2 degrees the rest Resolution: 0.01 degree Waterproof: IP54 Power supply: 2 AAA batteries (batteries not included) Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please