Nirvana Radio Control R/C 2.4GHz Racing Yacht - Yellow 95% Ready-to-Sail - requires only simple final assembly in minutes 2.4 GHz Fully proportional sail control - Radio Transmitter Included Low-drag composite hull design, capable of 6 knots sailing speed Large area, deep-water rudder, Removable racing keel with ballast bulb High torque, heavy duty, metal geared sail winch servo