Our new generation 16CH Network DVR 678 , which is the best price / performance series with SATA HDD interface &VGA interface built-in, not only combines all the major functions that DVR should have for video recording, remote surveillance, burglar prevention and evidentiary archiving. But also, it is equipped with the Highest Resolution VGA output : 1600 x 1200 to support high quality LCD monitor and the function merely high-end DVR enjoys --- "Remote Independent Operation". Moreover, the HDD storage capacity can be enlarged by simply recording the single channel when an alarm is triggered. 678 support graphical OSD interface, large storage capacity over 2 TB, and the unique Remote Event Trigger Recording (R.E.T.R.) to offer you a more consolidated surveillance and convenient operation.