Optoma ZU820T. Projector brightness: 7500 ANSI lumens, Projection technology: DLP, Projector native resolution: WUXGA (1920x1200). Light source type: Laser, Service life of light source: 30000 h. Focal length range: 18.72 - 29.59 mm, Zoom type: Auto, Zoom ratio: 1.6:1. Serial interface type: RS-232, HDMI version: 1.4a/2.0. Noise level: 36 dB, Noise level (economic mode): 34 dB, On Screen Display (OSD) languages: Simplified Chinese, Traditional Chinese, German, English, Spanish, French, Italian, Portuguese,......
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