Ssccgym 335MM MD500 C189 Remote Control Helicopter Add Optical Flow Positioning RC Aircraft 2Batteries RC Heli Single Rotor No Ailerons Maintain Altitude Hover Green RTF

C189 MD500 RC Helicopters add optical flow positioningMain seat remote control left and right hands can be interchanged Rotor diameter 320mm Body length 335mm Height 126mm Motor Double brushless motorAdd Optical Flow Positioning Product highlight Adopting a single propeller without aileron design 6axis electronic gyroscope for stability enhancement and incorporating a barometer for altitude control hovering at height add optical flow positioning more stable flight and easier control Long battery life The appearance is scaled down according to the actual aircraft which can not only control flight but also serve as a decoration Functions ascent descent forward backward left flight right flight left rotation right rotation flying along the route stunt flight actions