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. 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 Fits the Springfield Armory Hellcat PRO