Streamlight 66318 MicroStream® High-Powered LED Penlight

Streamlight's® proprietary Micro Optical System (MOS) is the magic behind the blinding white light of their new MicroStream® Penlight. It provides up to 20 lumens output for up to 1 1/2 hours of run time, and the high-flux LED 1/2 watt light lasts for up to 30,000 hours. Not only is the light powerful, the body is made from sturdy aircraft aluminum with an internal polymer liner and shockproof switch housing. It's also O-ring sealed and comes with an unbreakable polycarbonate lens. Uses 1 AAA alkaline battery (included). Key ring and safety lanyard also included.