... H.264 3) PTZ: RS485 4) 1 SATA interface Embedded Linux 4-CH Network CCTV DVR Digital Video Recorder with ... compression: H.264- Audio compression: G711- Video input: 4-CH BNC input- Video output: 2-CH BNC output ... 25/30FPS- PTZ: RS485- 10/100M RJ45 port- Network functions: TCP/IP,UDP,DHCP,DNS,IPFilter,PPPOE, ... control - Accessories include:- 1 x 100~240V power adapter - 1 x USB mouse - 1 x Remote control ...