Tenergy FT009 4-Channel 2.4G High Speed Racing RC Boat - Orange High speed RC Racing boat: up to maximum 20 mph! FT009 4 Channel 2.4Ghz frequency New with built-in water cooling system for safe and reliable operation. Safety features to protect the battery and the boat: protects from over-charge and over-discharge of the battery. Easy-to-use functions: forward, backward, left, right. This racing boat can also right itself!