When the sun goes down, the fun really begins! The Solar Powered Underwater Light Show turns any pool into a festive visual experience. Just press a button to turn it on, and place it in your pool. A never-ending cycle of multicolored light patterns creates an instant party atmosphere your guests will love. A built-in battery recharges by solar power, so there are no batteries or chargers required. Operates 4-6 hours on a full charge. This product ships in approximately 1 days