The digital spirit level has a magnetic base with a V-groove, so you can quickly and easily attach saw tables, band saws, metal bars and even round pipes. Unit of measurement ( degrees / % / mm / m / IN / FT) VA LCD display of Digital Inclinometer, it is easier and clearer to read the values even at night because the improved LCD display works with new black and white characters. In addition, a tilted box LCD screen of the protractor with a low battery indicates. High Precision Magnetic Angle Gauge Level Dragonfly on top for leveling work without battery, the display was automatically reversed when the top is pointing down. Zero and hold functions allow precise measurement of absolute AND relative angles, bevels and slopes on any imaginable surface. Digital Level Box works with 2 AAA batteries (included in delivery) and switches off automatically after 5 minutes without operation.