Viridian 9120023 Green Laser Sight for Ruger Security 9 and

Viridian’s E Series laser sight is specifically designed for the everyday conceal and carry owner. This model specific, trigger guard mounted, laser sight offers the most powerful green laser legally available, delivering rapid target acquisition when you need it most. Features easy installation onto the trigger guard of your pistol; ambidextrous on/off button with 5 minutes auto shut off; 100 yard range in daylight and two miles at night; constant laser with 1+ hours battery life and easy windage and elevation adjustment.