Fyre Flys new BA9s bulbs fit any ba9s socket and will work in any vehicle regardless of the polarity. Great for all vehicles and especially Nissan and Infiniti vehicles where the front map lights have reverse polarity sockets. Each bulb had 5 pieces of 5050 SMD LED Chips. Super bright. About 2x brighter than stock. Approx 250 Lumen per bulb (color dependant). Available in various colors. 2 year warranty.