The Streamlight Survivor LED Orange with AC/DC Holder has a rugged nylon polymer body that is virtually indestructible. There is an unbreakable Lexan Lens with silicone anti-scratch coating is assembled in a heavy duty beze. There is 50,000 hours for Luxeon LED life. The run time is operational between charges for up to 6 hours on low beam, 3 hours on high beam with rechargable or alkaline batteries.