-C4 LED technology, impervious to shock with a 50,000 hour lifetime
-LED Rating: Up to 12,000 candela peak beam intensity & up to 300 lumens measured system output
-Deep-dish parabolic reflector produces a concentrated beam with optimum peripheral illumination
-Run Time: 2.5 hours regulated run time.
-Solid-state current regulation for consistent illumination level
Other Features: Includes rail locating keys for glock style, 1913 picatiny s&w 99's, beretta 90's uses 2-cr123a lithium battery (included)