The dewalt dw088k 2 way self levelling line laser is accurate to 03mmm in levelling applications self levelling up to 4 surface angle with automatic out of level indication it uses a simple 2 button operation with a low battery indication for ease of use the built in magnetic pivot bracket mounts easily on metal surfaces whilst the overmoulded housing and thick glass protects the tool and helps maintain calibration under jobsite conditions the included kit box helps to protect the unit and hel