[Usage] Very well suited for precise angular measurements. For calculating the deflection angle of helicopters/diagonal saws/motor vehicle testing and repairs. It can also be used for hanging pictures on walls, leveling campsites and decorating bricks in the garden. [Magnetic V-bottom] The digital level has a magnetic base with a notch V-shaped, so you can quickly and easily connect it to the saw table, band saw, rods and all kinds of metal surfaces. [multifunctional] in case of inversion , the screen flips automatically. Auto shut-off auto shut-off after 5 minutes without operation. [Improved display]Digital inclinometer has a large display and black light function, values can be easily and clearly read even in the dark< /p> [Small and Portable] The lanyard takes up very little space and is very easy to store in drawers, bags or pockets. The EASY CARRY and SMALL SIZE functions make the clinometer an excellent leveling tool.