RC 4 Channel Helicopter 2.4 GHz Invento. With its sophisticated 4-channel technology, this helicopter caters mainly for experienced pilots who appreciate realistic flight maneuvers. With its sideways panning this helicopter model guarantees guarantees sparkling flight fun. 4-Channel Helicopter (2.4 GHz) with gyro function, single-rotor system with tail rotor. Suitable for indoor and outdoor flight, flying extremely stable and agile.