... bulb is not 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-resistance5. precise fitting of ... color temperature: 8500k,6000k,5000k,3500k10.plasma 8500k= xenon 8000k,plasma 7500k=xenon 6000k, plasma 5800k=5000k, plasma 3500k=3000k11. appliaction: fog light, ...