... fog Advantages: Plasma bulb is not just an ordinary halogen bulb, Plasma bulbs contain xenon and krypton gases. ... improved double layer of ion coatingExcellent heat shock-resistancePrecise fitting of bulb in base and completely new base ... (fog, low beam, high beam).product name:halogen,9007-7500K,light bulb,rainbow blue,halogen lamp,halogen lighting bulb,halogen lighting,halogen lights,halogen