The Crimson Trace LG-422 Red Laser Sight for Sig Sauer P365 is a powerful red laser sight. The LG-422 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