This Hybrid Power Solar Flashlight is always ready to go! Features 1-watt super bright LED bulb that requires just 8 hours of charging before providing up to 10 hours of continuous light. Light will hold its charge for up to 3 years - even after being stored in a drawer or glove box. Back-up battery has a 7-year shelf life. Waterproof casing will float if it falls overboard. Designed to be extremely durable against harsh elements.