UDI002 Tempo Remote Control Boat for Pools, Lakes and Outdoor Adventure &ndash; 2.4GHz High Speed Electric RC - includes BONUS BATTERY (*Doubles Racing Time*) - Green Race at 18 MPH (30 km/h) and blow other remote control boats out of the water! Do extreme sharp turns and auto flips (self-righting feature lets you keep your boat in play even if it capsizes). 4 channel (Forward, Backwards, Left, Right) 2.4GHz frequency controller allows multiple boats to be raced at the same time Features a water-cooled, single-prop powerful 370-size motor for safe and reliable operation and a rugged ABS anti-tilt hull that combines style, speed and affordability. Low battery alarm warns you when the RC boat is almost out of power so you know when to head for the shore. Safety features to protect the battery and the boat: protects from over-charge and over-discharge of the battery. Includes an extra high power rechargeable 7.4v 1500mAh Li-ion battery to double your racing time! CAUTION: DO NOT USE IN SALT WATER. For Ages: 10+