Viridian Essential Springfield Hellcat PRO Laser Sight - Green - Viridian's E SERIES laser sight is specifically designed for the everyday conceal and carry owner. The E-Series Green Laser Sights will easily mount to the trigger guard and feature an ambidextrous on/off button with a 5-minute auto shut off just like their Red Sight counterparts. Features Easy installation onto the trigger guard of your pistol; Ambidextrous on/off button with 5 min auto shut off; Up to 100 yard range in daylight and 2 miles at night; Constant laser with 60 min battery life; Easy windage and elevation adjustment;