Q-See QSTD2408-500 8-Channel H.264 CIF Real-time Recording DVR with Mobile Phone Surveillance, Remote Internet Monitoring and Pre-Installed 500GB HDD H.264 Compression CIF Real-time recording per channel (240/240 FPS) Remote viewing through IE Browser, and Mobile phone surveillance on WinCE & 3G Various recording modes, and backup through eSATA port Pre-installed 500GB hard drive