Compression:Engine-K，Video Input：8ch Input, no Audio Input ,High qualityVideo;support multi-channel Realtime remote view/playback by IE browse;support insert 2 Cards in the same PC at most,form to 16channel monitoring; Support PTZ control;support dynamic IP by dynamic domain name;Able to create new users and right management Realtime video compression, Provide circular recording mode to allow recycling use of the recording drives