Product Detail For High Voltage flying, up to 12S (50 volts) for EDFs, High Power planes, and helicopters Ready to fly out of the bag Comprehensive heli feature set, including direct entry governor mode, autorotation with bailout, and soft start capabilities to protect your gearing Full data logging capabilities with Castle Link (USB interface adapter available separately) to measure amp draw, controller temperature, motor rpms, battery voltage and ripple and more . The "Phoenix Ice HV 120 Brushless ESC" is best product for you. We recommended Phoenix Ice HV 120 Brushless ESC