Streamlight MicroStream pocket flashlight is now brighter than ever before. rated at 45 lumens. The Microstream is conveniently portable. measuring only 3.5 long. Utilizing state-of-the-art C4 LED technology. the MicroStream is compact and lightweight with optimized output and run time. Streamlight MicroStream has a unique two-way pocket clip that can be attached to a pocket or to a cap for hands-free lighting.