Are you often worrying about crash? Worring the VPP is easy to break? Take it easy! The T904D propeller having push-pull switch achieved by forward-reverse.The power structure is simplified, at the same time, the blade durability improved,beginners can also easily fly 4D with pleasure.

1.More Resilient more explosive 

2.Enjoy the thrill of flying 

3.Excellence,little vibration,delicate sound 

4.Great balance in strength and toughness