These lights are solar-powered, charging in 5-6 hours for 6-10 hours of use. They feature an IP67 waterproof design, made from durable ABS and PC materials, lasting up to 15,000 hours. The lights offer 9 colors and 3 brightness levels, with modes for various occasions. Price drops from $89.99 to $27.99. Shipping is free with Prime or adds $6.