Bulb are filled with high pressure Xenon gas and some rare metal elements , they must have stable specification too , or each bulb color will be difference . No customer want their car light seems different one side to the other. And because of standing 23kv input , the glass and pole must high quality .

We don't like to get complain from customer about bulb is not working , so we always sell good quality one , custoemr can choose Kevin like 4300K , 6000K, 8000K, 10000K, 12000K, Color in gold, light blue, dark blue, blue-purple, green, pink, violet (purple),  the watt can be 12V 35W and 12V 55W, as long as your car still has good working ballast, you can buy our ballast in pairs to replace broken one.

Remember different car use different model of hid bulb . Like 9004 - 9007 , H1 - H13, D1, D2, D4 .