Waterproof design for total immersion. These solar pool lights have an IP68 waterproof rating and enhanced waterproof function, allowing full submersion and extended bulb life. UV resistant and durable materials. Built with UV resistant PC and ABS, a heat resistant silicone rubber seal, and thickened ABS to provide rust proof and waterproof performance, ensuring longevity and preventing water infiltration in outdoor environments. Solar powered with long runtime. Fully charges in about 6 hours from sunlight and can illuminate for 3 to 5 nights, reducing the need for frequent battery replacements. Wide application. Suitable for swimming pools, ponds, and water features, providing illumination and decoration to transform outdoor spaces for weddings, Christmas, and other occasions. Use scenarios Pool area: install along the pool edge to enhance night safety and create ambient illumination for afterdark swimming. Garden pond: highlight water features and landscaping with subtle, lasting light. Outdoor events: decorate venues for weddings, Christmas, and similar celebrations with festive lighting.