Epson PowerLite 1830 MultiMedia Projector (V11H341020) Incredible image quality, even in rooms with ambient light  3500 lumens co Colorful, detailed images  native XGA (1024 x 768) resolution and up to 2000:1 contrast ratio Rich, vibrant color and reliable performance 3LCD, 3-chip optical engine Plug n Play, no-hassle setup  instantly projects images from a PC via the USB connection Powerful sound and communication features,no added cost  built-in 10 W speaker, built-in,closed captioning decoder, RJ-45 LAN connection