Optoma UHZ55 Smart 4K UHD Laser Projector - Black Specifications. Resolution UHD (3840x2160). PC compatibility UHD, FHD, UXGA, SXGA, WXGA, HD, XGA, SVGA, VGA, Mac. Capable of receiving and displaying both HDR10 and Hybrid Log Gamma (HLG) HDR content.