A digital projector was capable of displaying the computer screen live on a wall or screen. These digital projectors can be broadly classified in two categories - projectors that uses LCD panel for primary colors (red, blue and green). This is the slightly older version in the digital projector technology evolution. Relatively newer technology in digital projectors, Digital Light Processing (DLP), is a breakthrough in digital projectors. The DLP projectors are light in weight, have a better contrast and better sharpness.Then there are projectors that are wireless, can be directly connected to the internet and have zoom lens as added features.Some of the leading brands in projectors in India are - Acer, Benq, Canon, Epson, Hitachi, InFocus, Sharp, Sony, Toshiba etc. The price for these projectors ranges from INR 30,000 - 2, 50,000 depending on the advancement in technology.