Milwaukee USB Rechargeable Green Cross Line Laser is powered by Redlithium™ USB, delivering you all day runtime and uncompromised visibility. The high-intensity laser beams allow you to see the green lines up to 100' for fast and accurate leveling and alignment. The integrated magnetic bracket features micro control, providing you with a faster set-up and point to point alignment at long distances. The amplified rare earth magnets provide a stong hold onto metal surfaces while the integrated screw and nail hang holes make setup easy and efficient in any environment. You can charge the Redlithium™ USB Battery inside the laser via Micro USB or swap it out with additional Redlithium™ USB Batteries for virtually no downtime. The Milwaukee® USB Rechargeable Green Cross Line Laser is covered by a two-year warranty.