Features: -Based on BLHeli firmware, further optimized to the perfect drive performance. -Low-voltage protection, over-heat protection and throttle signal loss protection. -Separate power supply for MCU and BEC, enhancing the ESC’s ability of eliminating magnetic interference. -Parameters of the ESC can be set via program card or transmitter. -Throttle range can be set to be compatible with different receivers. -Equipped with built-in linear BEC or switch BEC. -Max speed: 210,000 rpm for 2-pole, 70,000 rpm for 6-pole, 35,000 rpm for 12-pole.