FEATURES-Green-For Glock 19 23 32 & 38 pistols-520nm wavelength-Within 1" POI @ 10 yds accuracy-Pulses for superior visibility & faster identification-Internal design does not restrict grip or holster selection-Distinct ambidextrous ON/OFF switch reinforces safe handling-Proximity to the bore provides maximum POA/POI accuracy-Guaranteed alignment ensures center of mass shots