A great value package deal the dewalt dw089kd xj comes complete with an impressively accurate 3 way self levelling cross line laser amp laser detector for laser measuring and levelling applications all around the worksite even in outdoor areas in bright sunlight easy to operate the line laser works with an accuracy of plusmn 03 mm m and self levels up to a 4deg surface angle and boasts automatic level indication allowing for a marked level line in seconds featuring 3 button oper