This app performs a function to automatically convert the user-specified setting (ringtone, notification, alarm and media, the volume and the brightness of the mobile phone ) to recognize the signals of a particular wireless router. If the signal from the wireless router is not recognized, the ability to set a return to the state before the conversion. When the setting is changed, the phone notifies you of changes to vibration or sound. The wireless router is constantly radiating around send the information called SSID (Service Set identifier) at regular intervals. This information is periodically (default 1 minute) The ability to change the settings of your smartphone to gather. There is no direct connection to the wireless router is required to use this feature. WI-FI is only a function of the smartphone must be enabled.