... 1)Material:QUARTZ GLASS 2)Base: SS BASE H4 Auto Bulb used for head light of cars1.Korea process ... tubes 3.Japan filament4.Emark certificated5.H4 12V60/55W P43T/P45T 12V100/90W P43T/P45T H4 24V75/70W P43T/P45T 24V100/90W ... of auto bulb and motorcycle bulb of H1,H3,H3C, H4, H7.,9004/9005/9006/9007, 800 serives, G40,G22.5 ...