StreamLight Stylus Pro LED Penlight is one of the world's brightest and most durable key-chain lights. Streamlight 's new high flux LED light with Proprietary Micro Optical Systems has "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. All Stylus Pro Pen Lights by Streamlight feature a powerful super-bright 1/2 watt, 30,000 hour high flux LED.
