Epson EH-LS670B. Projection technology: 3LCD, Projector native resolution: UHD 4K (3840x2160), Contrast ratio (typical): 5000000:1. Light source type: Laser, Service life of light source: 20000 h. Focus: Manual. Video colour modes: Cinema, Dynamic, Natural, Vivid. Wi-Fi standards: 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)