The TLR-2 HL G with green laser provides an 800 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.Specifications and Features: Includes: Two 3V CR123A Lithium batteries Keys for Glock-style, Picatinny, Beretta 90two, S&W 99 and S&W TSW