Youpufa HJ817 2.4G 4 Channel 6 Axis GYRO RC Quadcopter/Helicopter with 300000 Pixels Camera (Blue) With HD Camera,high revolution 300000 pixels 6-Axis gyro quad-rotorcraft flight, strong stability,can easily implement various flight movements, stronger wind resistance, easier to control. 2.4 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.