The Streamlight 66318 Microstream LED Flashlight is a compact, ultra-light everyday carry light delivering a bright 45-lumen beam from a high-performance white LED. Crafted from anodized aluminum for durability and impact resistance, it features a tail-cap push button for momentary or constant-on operation. The light runs on a single AAA battery (included) and offers up to 2.25 hours of runtime. Measuring just over 3.5 inches, it includes a removable pocket clip and lanyard for versatile carry options, making it perfect for technicians, tradespeople, and daily use.