Everyone's favorite ESCs finally got an upgrade! With this ESC's brand new Silabs F396 MCU processor, it is able to handle the higher RPM motors with ease. At 48Mhz the processor on this ESC runs nearly twice as fast as the previous version. It has also been equipped with more flash memory and RAM. Designed to be compact and lightweight, this may be the perfect choice for many of the FPV Racers and Acro flyers! The 4-in-1 version of the FVT Littlebee 20A Pro ESC simplifies wiring and centralizes mass for the ultimate mini racing quad build. OneShot 125, and Multshot ready, this ESC Supports 2-4S lipos, and has a built in 5V BEC. With n-fet mosfets and fast, dedicated driver chips on a high quality PCB, this ESC remains one of the smallest ESCs on the market. Comes with Blheli firmware installed.