It's listening to the 911 feed of the New Orleans Police Department, so that anytime there's a shooting reported in New Orleans, (Gunshot sound) the gun fires.
Il écoute le flux d'appels de la police de la Nouvelle-Orléans afin que, dès qu'une fusillade est signalée à la Nouvelle-Orléans, (Coup de feu) le pistolet tire.