The IP Cameras released from Safe Vision are CE, FCC certificated&matched ... fill light* 2-way audio, DC 12V/PoE Power Supply* Mobile Viewer (Windows Mobile,Symbian,iPhone, Android,BlackBerry)* Support PPPoE,SMTP,RTSP,UpnP ... PCM 8kHzAudio Input3.5mm JACK ConnectorAudio OutputLinear OutputNetwork SecurityPassword protection , IP black list , User access logNetwork ProtocolIpv4/v6, FTP,SMTP,UpnP ...