Walkera V120D02S 3D RC Helicopter BNF (Requires Devo Tx) Brushless Version The V120D02S V1 is a high performance 3D helicopter with outrunner brushless motor Kit includes everything you need to get in the air EXCEPT a Devo or Futaba Tx Telemetry Capable Shaft driven tail blade with high speed tail servo Optional/Upgrade Metal Rotor Head available (not included)