... languages 4,suppore symbian,windows mobile, iphone,android phone Specification4CH, H.264 compression, VGA, Support SATA HardDisk, Mouse, USBX2 network, Audio, ... at the same time;*Recording bitstream/frame adjustable;*Support RS485 PTZ controll*Support more than one SATA hard disk 1500G*Built ... 2 KGs.one DVRone adapterone mannualone CDone Mouseone Remote 4CH H.264 Mobile Phone View and Network CCTV DVR