4⅛” aperture track head with 15°, 30°, or 50° reflector optics. Incorporates state-of–the-art LED technology. Unique integral optic design allows for smooth output, effective light control, and low surface brightness at the fixture aperture. These luminaires are great for retail store applications, as well as the lighting of objects and displays. 40 watts/2832 lumens. 91+ CRI. Various color temperatures.