The Lontor Ctl-El101 Rechargeable Led Emergency is a powerful and versatile emergency light that is perfect for use during power outages or in low-light conditions. It features a rechargeable battery that provides up to 8 hours of continuous use, as well as adjustable brightness levels and a compact design that makes it easy to carry and store. The light is also equipped with a built-in USB port, which allows you to charge your phone or other devices in an emergency situation.