Undoubtedly, the new IMPACT XL is the finest 4 AA cell L.E.D. light to ever grace the market. Weighing in at approximately 5 ounces and offering waterproof integrity to 100 meters, the IMPACT XL utilizes a 1-watt L.E.D., which is one of the most powerful L.E.D. sources in the world. The light output of the IMPACT XL is significantly greater than competing 1-watt xenon and halogen bulbs and it produces a truer, whiter light than many other L.E.D. and incandescent flashlights on the market. The innovative rubber over molded grip ensures you'll be able to securely hold the light under even the most demanding circumstances. With a bulb life rating of 10,000 hours, up to 70 hours of useful light and its rugged impact-resistant design, the IMPACT XL is sure to be reliable when you need it.