The H6810 HDR XPR UHD DLP Home Theater Projector from Acer uses XPR technology to produce UHD 4K on-screen images with compatible content and features HDR10 compatibility to produce a wide color gamut. It outputs up to 3500 ANSI lumens of brightness and has a 10,000:1 dynamic contrast ratio to help produce details even in dark areas of the image. There is a 5.57 to 18.67mm manual focus and zoom lens with a 1.2x optical zoom. The 240W UHP lamp has a 4000 hour lamp life in normal mode. This can be extended if it is used in Eco mode to 10,000 hours and in ExtremeEco mode to 15,000 hours. This projector features two HDMI inputs (one version 2.0), one VGA video input, and 3.5mm input and output audio connectors.