Upgraded Waterproof Design IP68 rating supports full immersion without water damage and helps extend bulb life. UV Resistant and Durable Construction Made from UV resistant PC and ABS, with a heat resistant silicone seal and thickened ABS for excellent anti-rust and waterproof performance, built to last in any environment. Efficient Solar Power with Long Run Time Harnesses solar energy, fully charges in around 6 hours and lights up for 3-5 nights, reducing the need for frequent battery replacements. Versatile and Weather-Ready Not limited to pools; suitable for aquariums, fountains, vase bases, gardens, parties and holidays. Water resistant for wet or dry locations, making them versatile decorations. Use scenarios - Submerged pool lighting along the edge for safe, ambient night swimming and improved visibility. - Accent lighting for aquariums or fountains to highlight displays with a soft glow. - Garden or outdoor centerpiece lighting for parties or holiday decor, indoors or outdoors.