The new DM-DV-H1648 comes with the New DET (Dual Encoding Technology) enables separate controls for local video encoding and network transmission; offering flexibility in video monitoring environment on various network conditions. The main features supports Pentaplex 16Channel 480 FPS, H264 Records and Plays in High Definition Video, Remote Audio E-mail Notification (Video Clip, Still Image, Message) Archiving (JPEG, EXE Format) User-friendly Server GUI & Front Design Embedded Linux OS. All of this features makes this DVR a reliable dvr that will never give you problems regarding anything you want to do on it such as remote view, backups and setting up the DVR menus and settings.