Streamlight TLR-1 High Lumen Long Gun Kit, Black All the lighting components you need in 1 package Solid-State current regulation for consistent illumination level C4 LED technology, impervious to shock with a 50,000 hour lifetime 800 Lumens; 15,000 candela peak beam intensity; 245m beam; runs 1.75 hours Engineered optic produces a concentrated beam with optimum peripheral illumination