Sanwa M17S Radio + RX-493i Receiver & Preinstalled Battery 09101A32971A xb2 The micro SD card is

The micro SD card is used to save model data

firmware update and language file update

COMPOSITE BATTERY STRAP - SHORT

Installed screen reader function is available to announce lap time and telemetry data and an integrated headphone jack can be used with earphones

Sanwa M17S Radio + RX-493i Receiver & Preinstalled Battery 09101A32971A xb2 The micro SD card isThe new Sanwa M17S features the new 'FH5U' protocol system, which can process twice as much information as the FH5. This means more natural operation and faster response, in perfect harmony with the servos' SXR mode! The Sanwa M17S is by far the fastest radio in the world! FH5U protocol with unrivalled response World first MOTION STEERING function lets you steer your model by tilting the remote control! Reception quality indicator Improved display