Epson EB-1860, 4000 ANSI lumens, LCD, 2500:1, 30 - 300", 66.5 - 108.3" (1.69 - 2.75 m), 16.78 million colors Epson EB-1860. Projector brightness: 4000 ANSI lumens, Projection technology: LCD, Contrast ratio (typical): 2500:1. Light source type: Lamp, Service life of light source: 3000 h, Service life of light source (economic mode): 4000 h. Focus: Manual, Focal length range: 18.2 - 29.2 mm, Zoom type: Manual. Serial interface type: RS-232. Noise level: 39 dB, Noise level (economic mode): 33 dB, Country of origin: China