Product Description Product Description: The angle measuring instrument can quickly and accurately measure angles in industries such as woodworking, construction, machinery, telecommunications, and automotive. The EBTN LCD screen is clear and easy to read. It is compact and lightweight, making it easy to carry and use. The measuring plane has a built-in magnetic disk that can be attached to the surface being measured. It is especially suitable for measuring helicopter pitch angles, beveling angles of miter saws, automatic testing, and maintenance. Product Features: Compact and lightweight, easy to carry The base has a built-in strong magnet that can firmly attach the clamp to any ferrous surface. The large EBTN (Enhanced Background Twisted Nematic) LCD screen significantly improves the reading experience; the backlit numbers and letters on the black background are clearly readable even in strong or low light conditions. The screen automatically flips when the user tilts their head down. Automatic shutdown after 3 minutes of inactivity Specifications: Measuring range: 4*90° (0-360°) Accuracy: ±0.1° at 0° and 90°, ±0.2° at other angles Resolution: 0.05° Waterproof rating: IP54 Power supply: 2 AAA batteries (included) Package list: 1 digital level 2 AAA batteries 1 carrying case 1 user manual