1.H.264 Main Profile 2.4channel D1 stand-alone DVR recorder 3.PTZ control 4.Dual stream 5.VGA ... . Support SMTP, UPNP, DDNS, PPPOE, etc, protocols.Support sending alarm information and picture by E-mail linkage when external trigger ... NTSC 30fps)Pre recorderMax 30 SecondsImage Quality6 levelsMotionTrigger EventsRecorder,PTZ,Alarm,E-mailMotion DetectionConfigurable detection areas 352(22*16) and ...