1.H.264 Main Profile 2.4channel D1 stand-alone DVR recorder 3.PTZ control 4.Dual stream 5.VGA ... domain name, net-work access easier fromSupport mobile phone viewer:(Windows Mobile/Symbian/iPhone/Android/BlackBerry)Powerful CMSSupport 8 users ... operation of preview, recording, playback, network transmission, backup and mobile control.Chinese, English, Thai, Russian, French, Spanish,etc.Specifications ...