SPEC: Continuous Output Current: 40A Max Current: 50A UBEC: 3A Size: 59mm x 27mm x 11.5mm Net Weight:32g High rate PWM Low resistence Sixteen cells Max (with BEC disabled) User programmable brake Low voltage auto setting based on battery Throttle range self-adjusting Soft start ramp up Auto motor cutoff with reset Runs motor in forward or reverse Safe power arming program ensures motor will not run accidentally after turn on Low torque start Auto shut down when signal is lost