The Crimson Trace LG-416 Laserguard for Ruger EC9s, LC9, LC9s and LC380 features Crimson Trace’s famed instinctive activation which allows the unit to be activated when the pistol is held in a normal firing grip. A master on/off switch is also included for completely powering down the system. The LG-416 is quickly user-installed in moments with no modifications to the firearm and is fully adjustable for windage and elevation. This product is eligible for Crimson Trace’s Free Batteries For Life program.WARNING: This product may contain chemicals known to the State of California to cause cancer or reproductive harm. For more information, go to www.P65Warnings.ca.gov.