1.H264 Compression

2.4channel Video,4channel Audio

3.Display & Recording Frame: NTSC-120Frame/S (4x30Frame/S), PAL-100Frame/S (4x25Frame/S)

4.Alarm Input: 4-Channel;  Alarm Output: 1 Channel

5.Recording Mode:Manual、Schedule、 Alarm 、Motion Detection

6.Support PTZ,USB back up. Support 1 Hard Disk, 500G Max   HDD:Support 1 x SATA Hard Disk   Network:IE/PPPOE/DDNS

7.Built-in 7.0 Inch TFT