Is the H7 bulb a combined high and low beam?

[GrahamAnn]

H7 bulb is not a combined high and low beam. The universal model of H7 bulb and the classification of car headlights are as follows: Universal model of H7 bulb: It can be used for both low beam and high beam. The H7 bulb has two pins and one tab on the edge, mostly used for low beam, while some fog lights also use H1 and H7. In addition, different car models use different bulb models. H4 is a combined high and low beam bulb with three pins and three tabs on the edge, generally used in Japanese and Korean cars. H1 and H7 are mostly used for high and low beams in European cars. Classification of car headlights: Car headlights include high beam, low beam, fog lights, and turn signals. There are many types of car bulbs, mainly divided into H and D categories, which can be distinguished by the number of pins and tabs. Common models include H1, H3, H4, H7, H11, etc. Different bulb models are used for different positions.