The air hogs elite helix x4 stunt quad is the only high performance rc stunt quad copter around utilizing 24ghz radio control gyro stabilisation and 4 ducted fans the helix x4 is aggressively manoeuvrable and incredibly fast perform 3 incredible stunts with the push of a button as you backflip barrel roll and 180 flip perform 3 incredible stunts with the push of a button as you backflip barrel roll and 180 flip its full 4 channel control enables the helix x4 to easily outfly any obs