Viridian's e-series line is specifically designed for everyday concealed carry and is available for the top brands and handguns on the market.The e-series red 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.Wavelength: 635-650nMRange: 25 yds Day/1 mi NightBattery: 1/3NLaser Color: RedFirearm Fit: Glock 17Mount Type: Trigger Guard