E-flite?s 30-Amp Pro SB brushless ESC offers up to 30 amps of continuous current with proper airflow and a peak of 35A. It drives up to 5 analog or 4 digital sub-micro servos with the BEC on any recommended input voltage. This brushless ESC includes programmable motor braking, soft start for helis and planes, timing, throttle input range and low-voltage cutoff. It also features auto motor shutdown in case of lost signal or interference. The safe power-arm mode prevents accidental starts.