Optoma ZU920TST. Projector brightness: 9800 ANSI lumens, Projection technology: DLP, Projector native resolution: WUXGA (1920x1200). Light source type: Laser, Service life of light source: 30000 h. Focal length range: 9.69 - 11.19 mm, Zoom type: Manual, Zoom ratio: 1.15:1. Serial interface type: RJ-45, RS-232, HDMI connector type: Full-size. Noise level: 38 dB, Noise level (economic mode): 36 dB, On Screen Display (OSD) languages: Simplified Chinese, Traditional Chinese, German, English, Spanish, French, Italian, Portuguese,...