Optoma DX605 XGA Portable DLP Data Projector High-contrast XGA DLP Data Projector ensures clear, natural pictures from all data and video sources Features DarkChip2 DLP for deeper contrast and extraordinary brightness Includes security features such as a locking device keyhole, and the ability to be password protected to prevent unauthorized use Can project clearly from a distance of 4.5 feet, to a distance of 30 feet, with a maximum native resolution 1,024 x 768 Runs on 120/230 volts of AC power, and measures approximately 9 x 8.26 x 3.7 inches (WxDxH)