This pool light uses solar energy, no need battery or charger, energy-saving and environment-friendly. It has intelligent light sensor function, charging in daytime, lighting at night, very convenient to use. The pond light is made of sturdy PC material, waterproof , compact and lightweight. It can float on the pool, pond and lake. It is enough safe to use in the water surface. The solar pool lights can be placed in your swimming pool, pond, fountain, bathtub or other water feature. There is a hole on the top of the light, it can be hanged in a tree, balcony or other place. This pool lighting use solar energy. During the day, the sunlight from the solar panels is stored in electricity in rechargeable batteries until dark at night (you can also block the solar panels manually, so go into evening mode), solar panels can no longer produce electricity for the battery, press the switch , the light will light up. Let people relax around poolside parties and events, or add luster to your garden.