Introduction - If you have any usage issues, please Google them yourself
DVR 4 Road, 16 remote video surveillance software source code, you can record other equipment (camera, DVD player, etc.) AV input signal. Four recording quality options. Support 16 video input. With network functions. Support 4 audio inputs (only 1 way to be saved) support USB backup. Support USB software upgrade. Support times were the disc recorder. Support RS232 remote control.