The Johnson Programmable Digital Torpedo Magnetic Level is accurate, versatile and easy to use. The digital magnetic level features a backlit LCD which provides easy viewing and automatically inverts when used overhead. This magnetic level also has four units of measurement (degrees, percent, in. and ft. in decimals and fractions, and millimeters and meters) and features both pre-programmed and custom modes, making it the only level you'll need for any number of uses.