The Streamlight Stylus LED Penlight in Black with Green LED is an ultra-slim tactical penlight designed for high-performance use in covert operations while preserving night vision, offering a 10-lumen output from a high-intensity LED with a durable life of up to 100,000 hours. Crafted from waterproof machined aluminum with a rugged anodized finish and a non-slip knurled grip, this compact unit measures 6.21 inches in length, just 0.375 inches in diameter, and weighs only 1.1 ounces, making it easy to pocket or attach to gear with its convenient pocket clip for rapid access in rugged environments. It runs on three AAAA alkaline batteries, delivering up to 60 hours of runtime, which is ideal for extended tactical missions or everyday tasks where reliable illumination is essential without overpowering night vision. The penlight features both a momentary blink switch and a constant on option to suit momentary or continuous use, and its UL Classified safety rating ensures suitability for hazardous environments while meeting Canadian and European standards. Whether for law enforcement, military applications, or personal use, the Streamlight Stylus Black Green LED Penlight provides a compact, dependable lighting solution that preserves night vision while delivering practical, purpose-built performance.