This is the Viper R/C PC-Link Software & Firmware Upgrade and is intended for use with the Viper VTX10, VTX10R and VTX1 ESC's. This allows you to update the software on your Viper ESC to the latest versions as they become available. Includes a 100mm USB cable.
Royal mail at £3.95, or Express at £6.95.
Full details at checkout.
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