TVT, 5-in-1 DVR video recorder, 4CH + 2IP 5MP, audio I/O, 1HDD, up to 6 CH (2 extra IP channels). HDMI/VGA/BNC output, video input up to 5MP @ 25fps, 1x audio in/1x audio out., simultaneous 4CH playback, bandwidth input 16Mbps/output 40Mbps, 1x SATA, up to 10 TB. 2xUSB2.0