A light in a dark place can make all the difference. So keep a trustworthy source like this one close at hand. Powered by Cree XP-G3 LEDs, the most reliable LEDs on the market, this flashlight is as reliable as they come. The body is made of pure alloy copper and includes a strong clip and a large keychain hook. The light offers three levels of brightness and will last up to 50,000 hours total and up to 75 hours on one AA battery.