Hobbywing HW30112618 - XR10 Pro WP Racing ESC9 select-to-use profiles applicable to all 1/10 RC car racing.Excellent waterproof and dustproof performance, fearless of various weather conditions.Separate PRG/FAN port is able to power an external fan for maximize cooling performance or connect a LCD program box or OTA Programmer to the ESC.Variable frequency regulation of PWM & brake frequencies allows users to precisely regulate the driving & braking forces (of the motors).Softening function (HOBBYWING-initiated) for milder or wilder driving control and better driving efficiency.Multiple protections: low-voltage cutoff protection, ESC and motor thermal protection, and fail safe (throttle signal loss protection),reverse polarity protection (the external standard cappack will still be damaged if battery reversal occurs).Data logging for recording the maximum ESC/motor temperature, motor RPM, and others in real time.Firmware upgrade via Hobbywing multifunction LCD program box or OTA Progra