StreamLight MicroStream LED Penlight is one of the world's brightest and most durable key-chain lights. Stream Light has built this LED flashlight with a high flux LED, with Proprietary Micro Optical Systems that have "Battery-Booster" electronics to provide a super-bright beam. The MOS is specially optimized for output and runtime, giving you a light when you need it most. The Streamlight MicroStream Pen Lights feature a powerful super-bright 1/2 watt, 30,000 hour high flux LED.
This small but handy flashlight by StreamLight sports many innovative features. The Stream-Light MicroStream Pen Light features an internal polymer body liner and shockproof switch housing for operation under the most extreme conditions. All Micro-Stream Pen Lights by Stream Light are o-ring sealed and feature unbreakable polycarbonate lens. The outer body is composed of corrosion and waterproof Type II MIL-SPEC abrasion and corrosion-resistant anodized aircraft aluminum. In addition, this Streamlight Flashlight has been drop tested above industry standard of six feet, as well as having an unbreakable pocket clip. If you want the power of Stream-Light, without the cost and bulk, Streamlight MicroStream Pen Lights are your choice.