The Crimson Trace LG-422 Laserguard is a powerful Red laser sight for the SIG SAUER P365 pistol. The LG-422 is quickly and easily installed in moments, all by yourself. The LG-422 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-422 is completely user-adjustable for windage and elevation. This model features a Master On/Off switch for completely powering down the unit to train without the laser sight. Features: User Adjustable Windage and Elevation Three Year Full Warranty Register your Crimson Trace Laser Guard and receive free batteries for life of the product through Crimson Trace From Fur and Feathers to Self-Defense and the Range, Palmetto State Armory has the guns, gear and ammunition you need!