TH-50PZ850U 50" plasma TV the introduction of the IP enabled televisions, a technology that provides access to on-line content directly from the television with VIERA CAST technology, is one of many advances found in the TH-50PZ850U. In addition, the TH-50PZ850U features a pro setting menu, allowing the consumer to access professional calibration software; an improved native resolution contrast ratio of 30,000:1 and a dynamic ratio of 1,000,000:1; digital cinema color re-mastering; 24p native reproduction; game mode; an SD memory Card slot; RS-232C connection; HDMI connections; increased luminous efficiency; lead free panels; 100,000 hours to half brightness and a PC input.