digital video recorder dvr -H.264,4chs video,1ch audio -3G Mobile view -Factory Price Sample OK -Western ... &SMS Networking access for remote live viewing,recording,playback,setting,system statu,event log,email & ftp function10).Support DHCP / PPPOE / FTP ... , support WEB client, standalone client and SDK11).With the sound system for the protection circuit, unique triple watchdog function, very low ...