The newest and most versatile Luci light is brighter than ever and longer lasting than the previous generation. Adjustable bottom strap lets you attach the light anywhere without needed an extra hook. Lightweight, waterproof, and durable, it collapses to just 1 inch. Completely solar powered with 4 lighting modes. Lasts up to 18 hours on low setting; charges in 7 hours in direct sunlight. Waterproof. No batteries needed – just the sun.