Epson Pro Cinema EH-QB1000W. Projector brightness: 3300 ANSI lumens, Projection technology: 3LCD, Projector native resolution: UHD 4K (3840x2160). Light source type: Laser, Service life of light source: 20000 h, Service life of light source (economic mode): 20000 h. Focus: Motorized, Focal length range: 22.5 - 46.7 mm, Aperture range (F-F): 2 - 3. Supported video modes: 480i, 480p, 576i, 576p, 720p, 1080p, 2160p, Video processing: 10 bit, Color modes (2D): Cinema, Dynamic, Natural, Vivid. Serial interface type: RS-232C