Spektrum Smart ESC Programming Update Box: Avian and Firma

Set, review, adjust and save the operating parameters of your Avian and Firma electronic speed controls using the Spektrum Smart ESC Programmer. When connected to a PC using the included USB cable, the programmer will update Smart ESC firmware and can adjust parameters through the Spektrum SmartLink app. You can also use it to check the balance of your LiPo battery cells.