Streamlight MicroStream. High-powered led penlight. Streamlight's new high-flux LED light with Proprietary Micro Optical Systems has "Battery-Booster" electronics to provide a super-bright beam. By Streamlight.

• Proprietary Micro Optical System (MOS), for optimized output and runtime
• Up to 20 lumens output for up to 1.5 hrs runtime
• Super-bright 1/2 watt, 30,000 hour high flux LED
• An internal polymer body liner and shock proof switch housing allow for operation under the most extreme conditions
• Rubber push button tail cap switch, O-ring sealed
• Unbreakable polycarbonate lens
• Corrosion and water resistant construction
• Water resistant per IPX4; in accordance with specification EN 60529:1992
• Type II MIL-SPEC abrasion and corrosion-resistant anodized aircraft aluminum
• Shock-proof; drop test verified above the industry standard of six feet
• Unbreakable pocket clip, key ring and safety lanyard included
• Includes (1) "AAA" alkaline battery, 1.04 oz with battery
• 3.5" Long
• Available in Matte Black
• Limited Lifetime Warranty