Short product description:
OPTOMA X309ST is a short-throw desktop DLP projector designed for presentations. It delivers 3700 ANSI lumens brightness, XGA (1024x768) native resolution and 25000:1 contrast. Throw ratio 0.617:1 and 115% vertical offset enable large images from 0.4–3.1 m (screen sizes 31.9–247.3"). Built-in 10 W speaker, HDMI 1.4a, VGA, USB 2.0, RS-232, lamp life up to 6000 h (10,000 h eco). Ceiling mountable, Kensington lock and remote included.