Lumenier 2-4s N-FET 12 Amp ESC with SimonK AutoShot The Lumenier 12 amp ESC with customized Simon K firmware including One-shot auto-detect and Active Braking/Damped Light/Comp_PWM is the perfect ESC to use on mini FPV quads such as the QAV250. The Lumenier 12 amp Auto Shot ESC have been tested and are compatible with all Lumenier motors (FX1806, FX2206, FXC2206), 2S-4S, both 5" and 6" props without sync loss issues or cogging. Active Braking / Damped Light / Comp_PWM To enable new features on Base flight: - On Configuration tab, check "Enable One-shot" and "Enable FastPWM" - Scroll down and click "Save" To enable new features on Clean flight: -On Configuration tab, check the "Enabled" box next to "ONESHOT125" Feature -Scroll down and click "Save"