1.8-Channel Standalone DVR H.264 Algorthm,Pentaplex, Support Internal CD / DVD-RW 2.IN:16 Ch Video,4 Audio 3.OUT:1 VGA, 2 BNC 8-Channel Standalone DVR AST-DVR0804LB H.264 Algorthm, Pentaplex, Support Internal CD / DVD-RW , USB Backup, SATA portIN:16 Ch Video,4 Audio;OUT:1 VGA, 2 BNC,1 Matrix,Loop,1 AudioRecording Frame Rate: 400 Frames Per Second at CIF Resolution , AC 110-260VMain ProcessorHigh ...