KOOME X7 Explorers 2.4G High Frequency 4 Channel 6 Axis 3D Fly Gyro RC Quadcopter Rechargeable Helicopter Aircraft Outdoor for Playing Toy& Gift with Gyro/Flash Lights (White) Toys for Kid's/Children Item No.: x7/ size: 11.2 * 11.2* 2.8cm/ frequency: 2.4G/ channel 4CH with 6 axis gyro/ battery for controller: 4"aa" Batteries( not included)/ Battery for quadcopter: 3.7V 500mah Li-Poly?/ charging time: about 40 mins(usb charging)?/ flying time: about 7 minute/ controlling distance: about 50 meters? Ascending, descending, forward, backward, accelerate, turn light, turn right.360 degree accurate lovalization, hovering, 360 degree roll-over. *High quality imported chip: inertial sensor MEMS, water-level molding.The 6-axis system allows the quad to be hand launched.6-Axis gyro quad-rotorcraft flight, strong stability, can easily implement various flight movements, stronger wind resistance, easier to control.? *2.4 GHz technology adopted for anti-interference.Even more than one quadcopter is flying at the same time They will not interfere with each other.? The quadcopter can fly both indoor and outdoor.Including 4CH digital proportional RC system. Rechargeable high performance battery.? *Package contents:? 1 x quadcopter?/ 1 x transmitter?/ 1 x 3.7V 500mah Li-Poly battery /4 x blades?/1 x USB charger