B50 LED Headlight Operating Voltage : DC 12V Operating Temperature: -40degC ~ +80degC Color Temperature : 6000K 4300K Chip Power : 120W10%/Pair,60W10%/piece Design: All In One Design With Cooling Fan With canbus function System Lifespan: 50000hrs Design: All In One Design With Cooling Fan Heat Diipation Theory : Aviation aluminum 6063 Package Inlcide : 2 Pieces Headlamp Note: 1: Some vehicles need to install a decoder after using LED, otherwise the following situations will occur: One of the two light bulbs is off or flickering. A fault light appears on the instrument panel. after the low beam is turned on, one of the bulbs turns on the high beam function uncontrollably 2LED 4300K color is not same as halogen yellow, LED 4300K is warm white , halogen yellow is around 3000K-3500K , if you need halogen yellow , you can buy halogen bulb directly , don't buy this LED 4300K 3: for some car , H1 and H7 need extra adapter to fit to car , led original adapter can't be installed directly , you need buy extra adapter yourself , price don't include thi