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 optional pulse beam detector. Great for indoor uses and outdoor use.Application:Indoor or outdoor.Accuracy:+-3/32in at 30ft.Range:100ft.Kit Includes:Laser, tripod, batteries and case.* Pulsing beam enables user to pick up laser beams in adverse lighting conditions with optional 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. * Up to a 100-ft. working range with optional pulse beam detector (sold separately).