Coollife WLtoys V913 Brushless Version 2.4G 4CH Large Single Blades RC Helicopter RTF Weight: About 1848 g Control Distance: About 150m Functioin: 3D action & side flying Up, Down,Forward, Backward,Turn Right, Turn Left, Left Fly, Right Fly Brushless motor version and switchable left & right hand control It is suitable for both indoor and outdoor flying