Skystars F7 Mini + KM35A Pro Mini is a stack suitable for smaller 2-4" drones. The flight controller uses a powerful F7 processor combined with a MPU6000 gyro. It includes a 5Vand 10V BEC, a BMP280 barometer, and 16MB blackbox memory. The ESCs with BlHeli_32 firmware have a support current of up to 35A.