Epson EB-G5450WU, 4000 ANSI lumens, LCD, 1000:1, 50 - 300", 108.7 - 195.7" (2.76 - 4.97 m), 30° Epson EB-G5450WU. Projector brightness: 4000 ANSI lumens, Projection technology: LCD, Contrast ratio (typical): 1000:1. Light source type: Lamp, Service life of light source: 2000 h, Service life of light source (economic mode): 3000 h. Focus: Manual, Focal length range: 21.28 - 37.94 mm, Throw ratio: 1.3 - 2.36:1. Serial interface type: RS-232. Noise level: 35 dB, Noise level (economic mode): 30 dB, Country of origin: China