The MILWAUKEE M12 Green Cross Line & 4-Points Laser provides all-day runtime and the best visibility in its class. Using MILWAUKEE M12 REDLITHIUM 3.0 CP Battery (sold separately), users get 9+ hours of continuous runtime for ultimate productivity. The high-intensity green laser offers users superior visibility up to 125' for long-range applications. The vertical and horizontal lines make alignment and level applications easy for users, while the additional 4-points allow for quick transfers from floor to ceiling and squaring applications. The integrated magnetic bracket features micro-control and pivots on the plumb point for easy and fast alignment. The amplified rare earth magnets provide a stronghold and will not slide on steel studs, while an integrated hang hole makes setup easy and efficient in any environment. As part of the industry-leading MILWAUKEE M12 System, this laser is compatible with all MILWAUKEE M12 Batteries.