The Epson EMP-7800 projector is an audio-video device compatible with NTSC, NTSC 4.43, PAL, PAL-M, PAL-N, PAL 60, and SECAM video formats. This Epson projector uses a 24-bit color system that can produce 16.7 million colors. This LCD projector utilizes a throw distance of 31.4 feet that can produce images up to 300 inches in size. The projector comes with a native 1280x1024-pixel resolution. The Epson EMP-7800 projector supports an aspect ratio of 4:3 and a contrast ratio of 700:1. The speaker for the LCD projector is a 5-watt monaural speaker. The Epson projector uses a 250-watt UHE style lamp that offers a brightness of 3500 ANSI lumens in high-power mode and 2500 ANSI lumens in low-power mode. This projector measures 4.6 inches by 16.5 inches by 12.8 inches and weighs 12.1 lbs. The Epson projector can be connected to external devices via a PC port, S-Video port, digital port, and component port. The unit is equipped with other input and output ports as well. This projector features an optical zoom, horizontal digital keystone, and vertical digital keystone.