Imex 012-EL60 600mm Digital Level features large buttons for ease of use, accurate to 2 decimal places, beeps when horizontal and vertical. This EL60 MK11 imex Digital Level has a self calibration function feature so that you can be sure of perfect levelling. If you ever drop the tool or are concerned about the accuracy then you can follow the simple instructions to re calibrate. You do not need a level surface to do this, just a flat one. 360° readout – flips in upside-down position. Functional in all positions. It has a low battery indicator and comes with a bag. Also included 9v batteries.