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Please read the readme.txt included in the ZIP
The Source One RTF/BNF Set is one of the most affordable freestyle quad-copter on the market today. Each unit is carefully built and tested by our experienced technicians, they will also be equipped with all the latest firmware to ensure you the most enjoyable FPV experience without having to build or upgrade firmware.
The Source One RTF/BNF is 100% freestyle ready. The frame is designed to be durable and stable, strap an HD camera on it and you are ready to capture some epic bird's eye view footages.
Some content in menu 2.