SYMA X1 4 Channel 2.4G RC Quad Copter, Spacecraft (As shown) 3D flips, stability and agility in flight makes it super simple to perform professional 3D maneuvers like pirouettes 3D fun flips, rolls and more 3-axis flight control system with adjustable gyro sensitivity will give you super stable flight With use of the newer 2.4Ghz technology, the SYMA x1 has strong anti-interference that lets you fly more helicopters at the same time Newer 2.4Ghz radio control also has longer control distance, small power consumptionand rapid response to easily giving you the most control Additional features: speed up mode, 360 eversion, flies both indoors and outdoorsand removable battery