Milwaukee introduces the first plumb beam laser to operate on a power tool battery, the M12 12V Lithium-Ion not included. Compatible with the M12 cordless system and delivers 75 more run time than the competition. The 2-beam plumb laser's self-leveling mechanism ensures an accurate auto plumb up to 1/4in. @ 100 feet. Does not include case. Case Included No, Laser Beam Color Red, Laser Wavelength 635nm, Mount Type Stand alone or magnetic, Battery Included No, Visual or Audible Indicator Visual, Laser Output 1mW, Accuracy 1/4 in. at 100 feet, Battery Type 12V Lithium-Ion, Base Type Standard or magnetic, Self Leveling Range 4, Beam Type Line, Leveling Type Self, Beam qty. 2.