Stanley STHT77592-1 Cross90 Green Beam Multi Cross Line Laser LevelThe Stanley STHT77592 1 Cross 90 Green Beam Laser Level is a compact, self leveling cross line laser that projects one horizontal line, one vertical line, plus an additional 90 vertical beam. Equipped with a bright green laser visible up to 16 meters and 5 mm accuracy at 10 m, it features a pendulum lock, IP50 dust protection, and a inch tripod thread. It runs on two AA batteries and includes a handy QuickLink? bracket and a carrying pouch.