The LG-362G Green Laserguard® is a powerful green laser sight specifically designed for Smith & Wesson® M&P® M2.0™ Full-Size and Compact pistols. User-installed in moments, and fully adjustable for windage and elevation, the LG-362G is securely mounted to the trigger guard and accessory rail. Featuring a bright green laser that will run for two (2) hours with supplied battery.