P2P(Plug and Play) Support 4 languages(English Simple Chinese Spain Russian) Support Mobile phone two way audio Support Wi-Fi IEEE 802.11 b/g/n Support Pan tilt can adjust the speed of the pan tilt IP camera can support two way audio can connect with stereobuilt-in speaker Support IR night vision (can manually open and close the IR Led) MJPEG video compression recording file format is AVI. Can automatically cover the recording from IE. Video Resolution support VGA QVGA Support IOS Android mobile phone viewing Motion detection alert and sound monitoring alarm via email notification FTP and email upload Support Windows series system . Suppot IE 9-CH viewing at the same time.