... input and Six channel PWM output- Adopts three axis digital gyroscope and three axis digital accerleration sensor.- Auto-balance,quadcopter X or ... I2C ESC,Practical free flight controller - Support aerial photography and Dual axle stabilization PTZ- with beep function when voltage is lower ... 5, No.3 motor input 6,No.4 motor input Dual axis PTZ:- It maintains verticality mode under 6CH Auto-mode.It ...