SUPER BRIGHT & LONG LASTING - High Quality White LED delivers 1000 lumens(Max Theoretical Value); its lifetime up to 100,000-hours. The pen light offers 7 hours of run time max by 2 x AAA battery (not included). HIGH QUALITY - Flashlight uses corrosion-resistant aircraft aluminum body which can make heat dissipation more effective. Skid-proof/Non-slip, abrasion resistance and daily waterproof. long time buried under mud and leaves....Still works!!!