The TLR-2 HL G with green laser provides a 720 lumen blast of light for maximum illumination while clearing a room or searching an alley. Its wide beam pattern lights up large areas so you can identify who or what is nearby. C4 LED technology, impervious to shock with a 50,000 hour lifetime; 510-530nm direct drive green laser with wide operating temperature range. Rail grip clamp system securely attaches/detaches quickly and safely with no tools and without putting your hands in front of muzzle. Mounts directly to handguns with Glock-style rails and to all MIL-STD-1913 (Picatinny) rails. Includes keys for Glock-style, Picatinny, Beretta 90two, S&W 99 and S&W TSW. Limited lifetime warranty. Assembled in USA.