... backup: supports USB device, network and client software backup9.Supports Alarm triggering, buzzer, PTZ preset,show message, e-mail,snapshot & ... :1 CH Audio Output :1CH Alarm Input :N/APTZ function: SupportsZones:396(22*18)detection zones,Sensitivity:1-8(8 is highest ... )Trigger recording,PTZ movement,tour,alarm,e-mail,snapshot & FTPDisplay Frame ...