4 channels video input 

1 channel audio input 

100/120fps, NTSC/PAL

 1)       Camera input: 4 channels 

 2)       Image quality: 9-bits ADCs super high quality

 3)       Image compression: H.264 optimized (high recording definition, especially when there is intense movement)

 4)       Video total frame rate: 100 fps in PAL, 120 fps in NTSC

 5)       Display resolution: 640 X 480, 352 X 288, 320 X 240

 6)       Recording resolution: 6 40X 480, 352 X 288, 320 X 240

 7)       Compression ratio:  8-150M/H/C

 8)       Network protocol:  TCP/ UDP

 9)  Operating System:  Windows2000 / XP