Constant Current: 30A Sustaining Voltage: 5.6 - 16.8v Max Current: 40A Low-Voltage Cutoff: Shut Off/ Power Reduce/Ignore Size: 57mm x 25mm x 8mm Weight:18g High rate PWM Low resistence 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 1x Mystery 30A ESC 1x 20 cm Shrink Tubing red 1x 20cm Shrink Tubing black