other.The quadcopter can fly both indoor

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.Function: up/down, left/right sideward fight, forward/backward, turn left/right