JMT Hexacopter ARF F550 Hex-rotor Flamewheel Kit with Kk 2.3 Flight Controller ESC Motor Propeller HexaCopter ARF F550 Hex-Rotor FlameWheel Kit With KK 2.3 Flight Controller ESC Motor Propeller (Un-assembly) Unassembly,need buyer to install and Weld and debug,Not include Battery,Transmitter,receiver,Charger,need buyer purchase separately Tips:1 / 3 / 5 is CW Propeller ,2 / 4 / 6 is CCW Propeller The products need to be weld and test by clients