Epson EH-TW7100. Projector brightness: 3000 ANSI lumens, Projection technology: 3LCD, Contrast ratio (typical): 100000:1. Light source type: Lamp, Service life of light source: 3500 h, Service life of light source (economic mode): 5000 h. Focus: Manual, Focal length range: 18.2 - 29.2 mm, Aperture range (F-F): 1.49 - 1.77. Supported 3D formats: Side by side, Top and bottom, Video colour modes: Auto, Bright cinema, Cinema, Dynamic, Natural. Serial interface type: RS-232C, HDMI connector type: Full-size