SwimWays R/C Cyborg Shark - Red Full-function, radio-controlled shark moves forward, backward, left, right, up and down. Simulates life-like, fast swimming action. Waterproof radio controller can be used in or out of the water. Two channels for radio control provided interference-free fun. Two power options: 6.0 volt battery and charger (included), or 4 AA batteries (not included).