Here is a very durable Security 16CH CCTV H.264 Network DVR System 480FPS 16CH Audio INS-ALDVR16. The Security Network DVR is designed specially for security and defence field which is an outstanding digital surveillance product. It introduces standard H.264mp video compressed format and G.711A audio compressed format which insures the high quality image, low error coding ratio and single frame playing. The Security Network DVR also can be used individually or online applied as a part of a safety surveillance network. With the professional network video surveillance software it achieves the strong network communication ability and telecommunication ability. The DVR can be applied in the bank, telecom, electric power system, judicial system, transportation, intelligent housing, factory, storehouse, water conservancy and so on.