4ch H.264 HD SDI DVR 1080P realtime playing, recording,playback BNC,VGA,HDMI video ... output Local and remote backup 4SATA NEW SDI DVR 4 CH Detailed Product Description4ch H.264 HD SDI ... DVR 1080P realtime playing, recording,playback BNC,VGA,HDMI video ... goods through express and by sea send to you . 4/8/16 CH SDI DVR 4/8/16 channel h.264 real time ...