... Doors, Frames, Stud Beams, Windows and Skylights; Level Electrical Outlets; Stud and Curtain Wall Plumbing, HVAC, ... Installation.Product nameItem NumberFeatureTechnical SpecificationsLaser Line productSA-02Building Measuring Equipment Laser wavelength: 635nmLaser class: Class IIAccuracy: ... Doors, Frames, Stud Beams, Windows and Skylights; Level Electrical Outlets; Stud and Curtain Wall Plumbing, HVAC, ...