This aircraft has 3 speed modes: Low speed, Medium speed, High speed
Press the speed switch button, the remote control Beep Once = the aircraft has entered low-speed mode.
Press the speed switch button again, the remote control Beep Twice = the aircraft has entered medium-speed mode.
Press the speed switch button for the 3rd time, the remote control Beep Three Times= the aircraft has entered high-speed mode.
attention: it is recommended to keep the control distance within 40-60 meters.if the remote control distance is beyond the range,it may cause the remote control failure.Beyond 80 meters, the remote control fails to control.