... Auto car body parts lighting system:H4-2 xenon bulbs,H4 halogen xenon bulbs,4300K,5000K,6000k,8000K,10000k,12000K,15000K,30000K) H4 ... range: 8.5V~16V Rated voltage: 13.2VCold light up current: 5.4AHot light up current: 3.6AMax. start voltage: 23KVInput current ... ,thanks ! Auto car body parts lighting system:H4-2 xenon bulbs,H4 halogen xenon bulbs 4300K,5000K,6000k,8000K,10000k,12000K,15000K,30000K)