Stylus Pro Penlight with Green High Definition Camouflage (view larger). Stylus Pro Buckmasters Realtree Hardwoods Green High Definition Camouflage Penlight with Green LED Compact and lightweight, the Streamlight Stylus Pro is a portable penlight that is specially engineered for optimized output and run time. Featuring a push-button tail-cap switch for single-handed operation, as well as durable and water-resistant materials for use in extreme conditions, the Stylus Pro is ideal for daily use at home, at work, or on the go. Features IPX4 rated for water resistant operation1-meter impact resistance testedRemovable, unbreakable pocket clipUnbreakable polycarbonate lensProprietary Micro Optical System (MOS) for optimized output and run timeBattery-Booster electronics provide a super-bright beamO-ring sealed Output and run time Powerful Performance in a Small Package Weighing 1.6 ounces, the Streamlight Stylus Pro Penlight is about the size of a permanent marker pen and fits easily in your pocket, purse, backpack, or tool bag. It can also be clipped to your pocket for easy access and convenient portability. Powered by two AAA batteries (included with purchase) with a battery run time of up to 12 hours of constant (regulated) output to the 10-percent output level, the Stylus Pro Penlight features a Nichia ultra-bright green High-Flux LED with 80 candela peak beam intensity and produces 5 lumens of light. The half watt LED lasts 30,000 hours. C4 LED technology Durably Constructed for Use in Extreme Conditions Machined from solid, aircraft-grade aluminum alloy with type II MIL-Spec anodized plating, the Stylus Pro is corrosion, abrasion and water resistant, and features an unbreakable and scratch-resistant polycarbonate lens. With an internal polymer body liner and shock proof switch housing, The Stylus Pro allows for operation under the most extreme conditions. Arriving with an unbreakable pocket clip, it is ideal for use in automotive, hardware, law enforcement, security, sporting, and outdoor applications. It"s been extensively field tested and drop-test verified above the industry standard of 6 feet.