1.Quartz glass 2.E4 E-MARK Certification Approved 3.80% Krypton gas 4.3000~400 Hours Lifespan 5.High Level Road Safety About the Product l This is H1 12v 55w clear halogen lamp, we also have Rainbow blue, Clear, Yellow, Rainbow yellow, etc,l We can supply base material as, Iron, Copper and Stainless Steel.l We can supply Glass material as, Hard Quartz, corning.l The life time is below, Quality A ...