This headlamp is made from aero aluminum alloy and ABS. It’s designed to be both lightweight and sturdy. Water resistant, it’s possible to wear this headlamp in all weather conditions. The LED will provide approximately 100,000 hours of lighting, that’s the equivalent of 11 years. The AA batteries will power the headlamp for approximately 30 hours before needing replacement; this is very economical compared with other designs. With sales increasing daily, Outdoor Pro Gear is confident that this headlamp will be a number one seller on Amazon in next to no time.