... /out:1ch/1ch Good security product 4ch cctv DVR with 3G functions Support PTZ with RS485, USB, Mouse, R/C. Video ... Control PTZ protocol:1*RS485 Support multi kinds of protocol 3G Mobile Surveillance: IPhone/iPad,Android,BlackBerry,Symbian,Windows Mobile Video ... USB Mouse,Remote IR Control Backup USB2.0*1 Network 3G Mobile Surveillance iPhone/iPad,Android,BlackBerry,Symbian,Windows Mobile Recording ...