... technicals through USB CAM. Through USB interface , this monitoring system can connect to the maximum of 4 PC CAM which ... , it even has a extended function as a driving recording system. Function:1. Video compression formate:H.2642. Audoio compression ... secondD. 16frames per second under a low illumination4. Support file system FAT16/32, Ext2, and Ext3A. Support uninterrupted recordingB. Support ...