The DEWALT 20V MAX ATOMIC Cross Line Laser is ideal for all-day jobs in tough conditions. Powered by an included 20V MAX battery that provides up 16 hours of runtime, this laser delivers a visibility range up to 180 feet and a detector range up to 330 feet (detector sold separately). Featuring an included dual sized tripod and ceiling bracket, magnetic mount, compact design, 2 green beams and IP54 rating for maximum value and versatility.