Automatic self-leveling assures accuracy and fast setup, industry"s brightest crossline laser for easy viewing in all conditions * Easy-to-see 150 degree lines with a biased upwards beam that intersects the plumb up point for fast plumb alignment * Water, mud, and shock-resistant for improved reliability and minimal repair costs * Durable unit with protective rubber over-molding withstands a drop of up to 3 feet 1 m) onto concrete and still maintains consistent accuracy * Ships complete in a soft case with mounting accessories and target