For fun in the pool, lake or ocean, the Yamaha Explorer water scooter packs enough thrust to propel young swimmers at up to 2.5 miles per hour. Run time is 1 hour per charge with normal use and if you want to play all day, it's easy to swap out batteries(additional batteries sold separately ). The Yamaha Explorer sea scooter is equipped with all the necessary safety features, including a floating chassis, an auto shutoff function that cuts the power when you release the dual triggers, and protective grilles. Users will also appreciate the Yamaha Explorer sea scooter's lightweight design, which weighs a mere 12 pounds. And should you want to dive down while snorkeling or scuba diving, the Yamaha Explorer dive propulsion vehicle can reach a maximum depth rating of 30 feet. Other features include waterproof circuitry that protects against accidental flooding. The Yamaha Sea Scooter Explorer water scooter, is designed for children 8 years and older.