Flashlight case is made from high impact, super tough nylon and is "O" Ring sealed Unbreakable Lexan Lens with silicone anti-scratch coating is assembled in a heavy duty bezel 3-Watt Luxeon LED, impervious to shock with a 50,000 hour lifetime Run time high is up to 3 continuous hours and low is up to 6 continuous hours 6-3/4-Inch high by 2-3/4-Inch wide; 3-Inch diameter