Featuresand Benefits: ISO Color Technology - revolutionary color technology takes the guess work out of headlamp alignment Visual Assist Meter - when meter reading reaches highest level alignment is complete Laser Floor Slope Assessment - measurement is accurate precise and simple to achieve Multi-bay Use User Friendly - easy to follow procedures located on the optical head Defines the High Intensity Zone With the revolutionary ISO Color technology with the precision of the Visual Assist meter for precise alignment every time. Certified for safety inspection.