... recording,playback BNC,VGA,HDMI video output Local and remote backup 4SATA NEW SDI DVR 4 CH Detailed Product Description4ch ... recording,playback BNC,VGA,HDMI video output Local and remote backup 4SATA HDD 4CH HD SDI DVRKey Features:4ch H. ... Ports, 1 ESATA Port Remote controlSupport remote monitor, remote realtime search& playback, ptz control, support smartphone remote monitor,viewing, recording etc. ...