The INFRAY H1102 is a sleek compact pen sized, power by two AAA alkaline batteries. The flashlight designed for use in all markets. It features a tail cap switch, constant on operation, a pocket clip for convenience, and amazing brightness up to 220 lumens and over 7H run time for a light of its size and price. The aluminum housing with Type II Military Spec anodizing helps make the light extremely durable and abrasion resistant.