... available 2V1H Self-levling cross line laser level (2D) Description:Laser wavelength: 635nmLaser class: Class IIAccuracy: ±1/4"/100ft. (±1.0mm/5m)Self-leveling range: ±3°Power ... and Align: Walls, Doors, Frames, Stud Beams, Windows and Skylights; Level Electrical Outlets; Stud and Curtain Wall Plumbing, HVAC, Plumbing, Pipe ...