Product specifications: 15.5 * 17 * 8.5cm, battery: 3.7V 500mAh lithium battery, battery life: about 25 minutes; charging time: about 70 minutes, remote control battery (not included) Waterproof & Durable- This pool boat toy is designed with waterproof battery cover and rubber seal ring to ensure that water does not enter the machine when using, which ensure that the battery is dry and extend the service life. The sealed waterproof remote control handle can play with the spray motorboat in the water. Double Propeller Drive- Radio-controlled boat has 2 propeller engines on both sides of the hull dual propeller drive to ensure that the boat is fully powered and can be manipulated in multiple directions on the water. The outside of the propellers are equipped with a protective cover to prevent children's fingers from touching the moving propellers and causing injury. The RC motorboat is also equipped with a waterproof cover to stop any water from getting inside. Battery life and charging- Our remote control boat toy has a set of rechargeable 3.7V 500mAh lithium battery with a USB charging cable, convenient to alternate charging. After the batteries are fully charged, your child can enjoy about 20 minutes of happy remote control play time (the charging time is about 70 minutes). Proper charging and use of the toy will extend the life of the batteries for longer play time. Ideal Summer Gift- This remote-controlled spray motorboat is the best summer water play gift for kids who love models. They can be used in a variety of environments, such as lakes, pools and rivers. Your children can hold a water race with their friends, where kids can race and relay side by side without interference and enjoy a perfect summer vacation.