The David White indoor/outdoor laser cross level features a pulsing beam that enables user to pick up laser beams in adverse lighting conditions, using the included pulse beam detector. Great for indoor uses and outdoor use.Application:Indoor or outdoor.Accuracy:+-3/32in at 30ft.Range:100ft.Display Type:Vertical, horizontal or cross.Battery Included:Yes.Kit Includes:laser, tripod, pulse beam line detector with clamp, case.* Pulsing beam enables user to pick up laser beams in adverse lighting conditions with pulse beam detector. * Projects a vertical line, horizontal line or laser cross with the touch of a button.* 130 degree vertical fan beam allows user to accurately line up instrument under vertical points of reference.