Epson EH-LS9000B. Projector brightness: 2200 ANSI lumens, Projection technology: 3LCD, Projector native resolution: UHD 4K (3840x2160). Light source type: Laser, Service life of light source: 20000 h. Focus: Motorized, Focal length range: 22.5 - 46.7 mm, Aperture range (F-F): 2 - 3. Video processing: 10 bit, Video colour modes: Bright cinema, Cinema, Dynamic, Natural, Vivid. Serial interface type: RS-232C, Service port type: USB Type-B