Samsung Flat TV. This 50" DLP TV(Digital Light Processing) has 4 speakers (output of 1000 watts) with surround sound system. It has 100 programs or channels with features like child lock or channel guard, channel swap and channel scan along with other convenience features like auto off, auto sound leveler, on-screen-display and picture-in-picture facility. This set is compatible with DVD players. It also has a blue screen or blue-black function. This TV set is made with latest technology called DLP-Digital Light Processing, which consists a compact digital projector powered by a single, postage stamp sized Digital Micromirror Device (DMD) that generates high definition images. This technology increases contrast to provide greater depth, picture sharpness and true black & white. This technology also ensured more slim and sleek design of TV. This TV also has DNIe, which helps eliminate noise, provides images with more sharpness and contrast from any source of signal. This TV has Contrast ratio of 1500:1.