The M12™ green cross line laser with plumb points is an all-in-one tool for horizontal levelling, vertical alignment, and plumb point transfer from floor to ceiling. Its high-intensity green laser diode offers up to 4x better visibility than red lasers, with a working range of 38 m, extending up to 100 m when used with a detector. Powered by an M12 B3 battery pack, it delivers all-day runtime of 15+ hours.