Pro Multi-Cell luminaires are built to last. They come in several styles, including two-, four- and eight-cell versions. The Pro Two- and Four-Cell luminaires are a great choice for short- and medium-throw illumination, while the Pro Eight-Cell luminaire is designed for high-bay, wide-angle installations. All Pro Multi-Cell luminaires include convection cooling, ensuring 100% silent operation for quiet and intimate spaces, such as auditoriums, concert halls, art galleries and museums.