P2P(Plug and Play) IP camera Two languages( English and Simplified Chinese) Two way audio function Wi-Fi IEEE802.11 b/g/n wireless connection Pan tilt function(can adjust speed); Support max 16 preset position External speaker output and built in speaker Night vision(can manually turn on / off the IR LED) M-JPEG compression format recording AVI file can auto recover by IE recording With VGA and QVGA resolution Support IOS Android operation system Compatible with windows system Macbook Linux Support FTP Email upload function With motion detection function 9 CH display at the same time from IE browser Provide free centralized end multi-picture viewing software IOS software Android Software. Provide permanent ID number directly enter the ID to view.