Best Sale High End HD-SDI High Definition 8 Channel DVR. 1920&times;1080P@30fps(each ch) record resolution, support E-SATA. 8ch sensor input, 1 channel alarm out. iPhone, Android Viewing. HDMI & VGA. Utilize graphic user interface. Preview, recording, playback, and network live, backup, playback, USB2.0 Backup, PTZ Control 8CH Video-input, 2CH Video-output (VGAHDMI) 8CH Audio input, 1CH Audio output (RCA) 1920x1080P Record resolution, 30FPS(each ch) Support E-SATA, only for backup 8ch sensor input, 1 channel alarm out Support VGA: 800*600,1024*768, 1280*1024,1440*900, 1920*1080 Support HDMI: 1920*1080P Output 2 SATA HDDs, up to 8TB Only connect to HD-SDI Cameras 1 Year Warranty and Free Life Time Tech Support.