This high-powered Stylus Pro pen light incorporates the Proprietary Micro Optical System (MOS) to deliver optimized output and runtime. Its super-bright 0.5W, 30,000-hr. high-flux LED puts out up to 24 lumens of lighting power for up to 7.5 hrs. Shock-proof aircraft aluminum body features an unbreakable polycarbonate lens and a rubber push-button tailcap switch. Internal polymer body liner and shock-proof switch housing allow for operation under the most extreme conditions. Constructed using Type II Mil-Spec abrasion and corrosion-resistant anodization. O-ring sealed and IPX4 rated for water-resistant operation. Includes belt holster and unbreakable pocket clip. Operates on two AAA alkaline batteries (included). Limited lifetime warranty. Color: black. Lighting output: 24 lumens. Runtime: 7.5 hrs. Length: 5.3". Weight: 1.64 oz. with battery.