For use on Sig Sauer P226 (9mm) Pulses for superior visibility and faster identification Internal design does not restrict grip or holster selection Distinct ambidextrous ON/OFF switch reinforces safe firearm handling Proximity to the bore provides maximum POA/POI accuracy Guaranteed alignment ensures center of mass shots; Class IIIa Laser Product: &lt;5mW power output Class IIIA laser, &lt;5mW power output