30A ESC for Multirotor. This hardware, with the Simonk firmware, gives you the perfect solution for multi-rotor use. Highest Efficiency 100% N-FET design. Highest accuracy with Crystal Oscillator (temperature does not affect the PWM operation area as other cheap WSA). No undervoltage lockout, because everyone in a cutoff Multirotor = crash.30A ESC for Multirotor.