Syma X6 Quadcopter 4 Channel 3 Axis Value Package - Extra Battery + Parts Syma X6 Quadcopter 2.4 Ghz 4 CH - Largest Syma quad in the market yet Comes with extra Helizone 7.4v 850 Mah battery pack + Stock 7.4V 850 battery - Double flight time This value package comes with extra set of blades (for accidents)