The Streamlight TLR-1 HL C4 White LED light is designed for tactical use, delivering an impressive output of 800 lumens with a peak beam intensity of 15,000 candela. The light features a Flat Dark Earth finish and includes rail locating keys for compatibility with Glock style, 1913 Picatinny, S&W 99's, and Beretta 90's. It operates on two included CR123A lithium batteries and has a lifespan of 50,000 hours for the C4 LED.Key FeaturesOutput: Produces 800 lumens for effective illumination.Ambidextrous Switch: Features an ambidextrous on-off switch for easy operation.Included Accessories: Comes with rail locating keys for various firearm models.