4ch video and audio DVR Card

Key Specifications: 
 1)       Video Input: 4 channels 
 2)       Audio input: 4 channels 
 3)       Image quality: 9-bits ADCs super high quality 
 4)       Image compression: H.264 optimized (high recording definition, especially when there is intense movement) 
 5)       Video total frame rate: 100 fps in PAL, 120 fps in NTSC 
 6)       Display resolution: 640 x 480, 352 x 288, 320 x 240 
 7)       Recording resolution: 640 x 480, 352 x 288, 320 x 240 
 8)       Compression ratio:  8-150M/H/C 
 9)       Network protocol:  TCP/ UDP 
 10)  Operating System:  Windows2000 / XP / Vista 32