Viridian's E SERIES laser sight is specifically designed for the everyday conceal and carry owner. This specific, trigger guard mounted, laser sight offers the most powerful laser legally available, delivering rapid target acquisition when you need it most. The E Series laser comes with the Viridian Kydex Inside the Waistband Holster. FeaturesEasy installation onto the trigger guard of your pistolAmbidextrous on/off button with 5 min auto shut offGREEN LASER -Up to 100 yard range in daylight and 2 miles at nightConstant laser with +60 min battery lifeRED LASER -25 yard range in daylight and 1 mile at nightConstant laser with 6 + hours battery lifeEasy windage and elevation adjustment