BenQ MX812ST, 3500 ANSI lumens, DLP, XGA (1024x768), 4600:1, 41 - 300", 1.073 billion colors BenQ MX812ST. Projector brightness: 3500 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 2000 h, Service life of light source (economic mode): 3000 h. Digital zoom: 2x. Analog signal format system: NTSC, PAL, SECAM. Serial interface type: RS-232 https://www.projectorcentral.com/BenQ_MX812ST_short_throw_projector_review.htm The BenQ MX812ST projector does not compromise image quality to achieve a short throw. It provides a sharp,nearly distortion free image with a brightness uniformity comparable to standard lens designs.... If you need a bright projector with a high quality image in a short throw configuration, the BenQ MX812ST is worthy of close consideration. It not only excels at displaying sharp and punchy static images, it also does a first-class job with video rep...