 8/16 ch video and 4 ch audio recording  120 images per second recording speed  True TRIPLEX Operation  Up to 704 x 480 (4 CIF/D1) resolution  Optimized MPEG-4 compression  10/100 Base Network Connection allows remote viewing, playback, and PTZ control  USB-2 Port for quick downloading to a thumb drive  Internal CD-R drive for data backup (optional)  PTZ control (drivers for most popular models included)  DDNS support for use with dynamic IP addresses  Server-grade continous duty hard disk drives optimize performance and improve reliability