The ViewSonic PX747-4K review is about a high brightness (3500 ANSI Lumens) 4K UHD projector for professional use and entertainment. With a brightness level of 3500 lumens, it provides a guaranteed projection of the high-quality images in any lighting condition. It supports Enhanced High Dynamic Range content to produce pictures that are more detailed and more informative for a unique watching experience. The integrated USB unit can be used as a charge for connected mobile routers and other equipment. The PX727's 4K specs follow the trends of today's 4K gaming consoles and deliver high levels of detail in immersive games.