... 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 ... Manual ,Timing ,Alarm,Motion de-tection Search Mode By time,event,channel,log Backup Mode Network download ,USB backup , ... sea send to you . 4/8/16 CH SDI DVR 4/8/16 channel h.264 real time dvr