4K UHD LED Technology 125% Rec709 USB Type-C to Stream 4 LED DLP (RGBB) 2,500 lm Contrast 3,000,000:1 0.8 Short Throw Ratio (80"@1.42m) (100"@1.77) (120" @2.12m) Built-in Harman Kardon Speakers Smart Functionality + Voice Control Bluetooth and Wi-Fi Connectivity Eye Protection The X10-4K's optical system uses high-quality glass for extra reliability, The projector is packed with 4 core