The Milwaukee USB Rechargeable Green 3 Point Laser Level is powered by REDLITHIUM USB, delivering all-day runtime and uncompromised visibility. The high-intensity laser beams allow the green points to be visible up to 150 ft. For fast, accurate point transfer. The Integrated Adjustable Clearance Bracket enables this 3 point laser level to easily fit over steel stud track or create clearance for marking the floor. This Green 3 Point Laser Level features amplified rare earth magnets, providing a strong hold onto metal surfaces. The integrated screw and nail hang holes allow easy and efficient setup in any environment. Users can charge the REDLITHIUM USB Battery inside the laser via a Micro USB or swap it out with additional REDLITHIUM USB Batteries for virtually no downtime. Accuracy: plus/minus 1/8 in. Self leveling: plus/minus 4 degree tilt. Internally charges REDLITHIUM USB batteries through micro-USB port. (1) Milwaukee Green Beam Laser 3 Point Laser Level. Brand New in the Box.