HDTV ATSC / QAM Tuner Receiver Box Receive and decode all over-the-air (ATSC) HDTV/SDTV formats and Digital Cable (Clear QAM) HDTV/SDTV formats HD Component (Y-Pb-Pr), RGB, Composite and S-Video Outputs, and DVI HDTV output, V-CHIP & Closed Captioning from ATSC and NTSC Source , 12-hour long Electronic Programming Guide (EPG) Channel list and Channel Enable / Disable features, Video Output format selectable for 16:9 and 4:3 aspect ratio Powered by ATI XILLEON 300 MHz MIPS Processor with powerful display engine