The Milwaukee USB Rechargeable Green Cross Line Laser is powered by REDLITHIUM USB, delivering all day runtime and uncompromised visibility. The high-intensity laser beams allow users to see the green lines up to 100 ft. for fast and accurate leveling and alignment. The integrated magnetic bracket features micro control, providing users with a faster set-up and point to point alignment at long distances. The amplified rare earth magnets provide a strong hold onto metal surfaces while the integrated screw and nail hang holes make setup easy and efficient in any environment. Users 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 2-year warranty. The Milwaukee USB Rechargeable Portable Power Source and Charger Kit includes a USB rechargeable power bank and charger, a 2 ft. heavy-duty micro-USB cord and a REDLITHIUM USB 3.0AH Battery. The portable battery charger enables users to conveniently charge their mobile phone, tablet and wireless headphones both on and off the job site.