... warranty 4.CE /FCC /ISO9001 approved Hella Type AC Digital HID Ballast for Auto Xenon Lighting Technical parameter:Working Voltage: 9-16VOutput ... : more than 3500 hours average lifetime.Less energy consumption Compatible with: H series: H1,H3, H3C,H4-1,H4-2, ... :15 months Warranty. Buy with confidence!reasonable price.Direct business with the manufactuter,it helps save money.with the certificate CE ,FCC ...