1,4 channel cctv DVR 2, H.264 compression cctv DVR 3,22 languages 4,suppore symbian, ... windows mobile, iphone,android phone Specification4CH, H.264 compression, VGA, Support SATA HardDisk, Mouse, USBX2 network, Audio ... .2 KGs.one DVRone adapterone mannualone CDone Mouseone Remote 4CH H.264 Mobile Phone View and Network CCTV DVR