This is Tamiya Cooling Fan Unit For TBLE-02S TEU-104BK TEU-105BK TEU-106BK ESC. Overheating of the electronic speed controller (ESC) in R/C models eventually leads to the deployment of the heat protection function, which stops the model immediately. Attaching this cooling fan unit to your ESC will help to slow the overheating process and ensure not only longer running times but also allow a wider range of setting options that would otherwise be unavailable. As a thin unit, it takes up little space in the chassis of the model
