The new Viridian X5L Gen 3 is the latest version of the original green laser sight + tactical light combo. First launched in 2008 this family of products has continued to innovate through the years. The Gen 3 version is no exception. The X5L is the best and most technologically advanced weapon mounted accessory ever. Features : Fits most full-sized railed pistols Green laser 500 lumen CREE LED light 6 operating modes Secure universal mounting