* Startup music playing functionality. * Extreme low resistance, double radiators, super current endurance. * Low-voltage cutoff / over-current protection / over-heat protection / throttle signal lost protection * 3 startup modes: Normal / Soft / Super-Soft startup, can be used for both fixed-wing aircraft or helicopter models * Throttle range can be configured, fully compatible with all market available transmitters. * Smooth and accurate speed control, excellent throttle linearity. * Microprocessor and BEC use separate voltage regulator IC , with good anti-jamming capability. * Supported highest motor speed: 210000 RPM(2 poles), 70000 RPM(6 poles), 35000 RPM(12 poles). * Own complete intellectual property rights, software can be upgraded for our customers. * Programming CARD in a very small size can be purchased additionally (for easily programming this controller on field).Specification