Components of 1 kit: 2pcs ballasts s & 2pcs 35w bulbs, 1pcs harness, and related attachments. -Approval: ISO9001: 2000; E-mark certificate -Warranty: 2 year -Specification: Normal Input Voltage: 12V Allowable Input Voltage: 9V-16V Normal Input Current: 3.5A Ignition Voltage: 23KV Life Time: >2000 hours Luminous flux: 3, 200 LM Bulb Watt: 35W Available lamp types: H1, H3, H4, H4(Bi-Xenon) , H7, H9, H11, H13, 9004, 9005, 9006, 9007, D2S, D2R(suitable for all kinds of auto, such as BMW, BENZ, AUDI) Color Temp: 4500K, 5000K, 6000K, 8000K, 10000K, 12000K, etc. Sample is available!