The Crimson Trace LG-459 Laserguard is a powerful red laser sight for Smith & Wesson M&P9EZ, M&P380EZ and M&P22 Compact pistols. The LG-459 is quickly and easily user-installed in moments and offers a front activation button powered by Crimson Trace's Instinctive Activation technology. The laser sight will provide four (4) hours of battery life with a single 1/3N Lithium battery (included). As with all Crimson Trace laser sights, the LG-459 is completely user-adjustable for windage and elevation. Does not fit Shield M2.0.