Video Input(s): 4 channel, Screen slips: 1/4/9/16
Audio Input(s): 1 channel, Audio input via Microphone
Recording Rate : 120fps (NTSC), 100fps (PAL).
Display Rate: 120fps (NTSC), 100fps (PAL).
Compression Format : Mpeg4 /H.264 （Optional）
Multiple Cards: 1~4 per PC
Data Size 80-150M/h/ch
Resolution Display: 640 X 480,352 X 288,320 X 240;
Record: 640 X 480,352 X 288,320 X 240.