During the flight, you can adjust the gain value of the aircraft any time to make it more stable. At the same time, it supports data import and export and will backup in to the Clouds Server. It gives a seamless switching and will automatically save your data. Features: - No need of a laptop computer - No need of drivers - No need of data line - It supports Remote Parameter Adjustment - It uses Bluetooth 4.0 technology (Bluetooth Low Energy). - Parameters can be automatically synchronized to the Clouds Server and can be restored immediately when you changed your equipment. Functions: - Both Chinese and English versions are available. - Support Remote Parameter Adjustment. - Real-time flight data display. - Basic Settings:Aircraft,Mounting,RC,Gain - Advanced Settings:Motor,F/S,IOC,Gimbal,Voltage,Limits - Import-Export Parameters. - Restore Factory Settings.