The Streamlight Stylus Pro is a sleek, compact pen-sized flashlight designed for durability and portability. Powered by two AAA alkaline batteries, it delivers 100 lumens of brightness with a 62-meter beam range. The housing is machined from aluminum with Type II Military Spec anodizing, making the light extremely durable and abrasion resistant. Black Anodized Aluminum construction, OAL 5.30, Body Diameter 0.60, Weight 1.64 oz, Water Resistant, modes Constant On / Momentary. Includes two AAA batteries, a nylon holster, and a pocket clip for convenience. It features a tail cap switch for easy one-handed operation and provides an 8-hour run time for reliable daily use.