... just an ordinary halogen bulb.2. plasma bulb contains xenon and krypton gases, long lilfe.3. hight performance quartz bulb, new ... and improved double layer of ion coating.4. excellent heat shock- ... of application( fog, low beam, high beam)7. wattage: 55w and 100w.8. bulb type: H1,H3,H4,H7,H8,H9,H10 ...