Media Reviews
Optoma EL400HST true resolution of 1920×1080, with 4000lm brightness / 300000:1, contrast ratio can be point-to-point display of high-definition picture, the picture display more fine, to achieve high-definition high brightness high-quality large-screen presentation. Laser light source, support 7 * 24 hours continuous work, brightness decay small; fully enclosed structure design, maintenance-free light source.