Syma X1 4 Channel 2.4G RC Quad Copter - UFO Stabilty and agility in flight simplify professional 3D maneuvers like pirouettes 3D fun flips,rolls,and more. 2.4GHz Radio control 3 way precision controller: up/down, left/right, forward/backward Two Fly Mode:Indoor/Outdoor Controlling distance: About 40 Meters