24ghz 4 channel 6 axis gyroscope quadcopter drone drone squad 24ghz 4 channel 360 3d flips 6 axis aerocraftquadcopter sky controller 4 to 6 minutes flight time per full charge charging time 30 minutes lithium ion 37 v 250mah rechargeable battery included battery operated 3xaa battries not included rechargeable usb acdc chargerusb adapter included