BOSCH GPL100-30G Green-Beam Self-Leveling Alignment Laser, Includes 2 AA Batteries, Built-In Multipurpose Mount, & Hard Carrying Case

PLUMB AND LEVEL POINT PROJECTION: the three-point laser accurately transfers and aligns level, plumb, 90 degrees and grade points.
VISIMAX TECHNOLOGY: The built-in technology monitors power consumption to maximize line visibility and extend battery life.
GREEN-BEAM: The laser liens are up to 4x brighter than standard red beams.
FULL RUBBER OVERMOLD HOUSING: Helps to protect every major impact point.
SELF-LEVELING: The smart pendulum system allows tool to self-level, and it indicates out-of-level condition.
SECURE LASER TRANSPORT: Once the laser is switched off, the pendulum locks. The laser is equipped with 360 degree rotation for extra protection.
CLASS II LASER: <1 mW

The Bosch GPL100-30G features a three-point, self-leveling laser with +/-1/8 inch accuracy at 30 feet. for up/down plumb, align and level applications. This unit features green-beam technology, which is up to 4X brighter than standard red beams. It also has the Bosch-exclusive VisiMax™ technology, which delivers maximum beam brightness in most jobsite conditions. The unit includes point projection to the front, so it can be used in a variety of positions for flexibility on the job. It is faster than a standard manual plumb bob. The unit includes several durability features, such as the Smart Pendulum System to lock the laser when switched off, 360 degree rotation, a hard carrying case and full rubber overmold housing. The integrated multipurpose laser mount features strong magnets and allows the user to mount the laser virtually anywhere.