Is H4 Bulb High And Low-beam? The h4 headlight bulb is a dual filament bulb that does high and low beam in the same bulb. Are all H4 bulbs high and low beam? H4 Bulbs. H4 bulbs contain two filaments, giving them the option of being either high- or low-beam lights. The bulb has a
Under Which Condition Is It Important To Drive With Your Low Beams To Prevent The Lights Rays From Reflecting Back To The Driver? Use low beams in fog, snow, or heavy rain. Light from high beams will reflect back and cause glare. Remember, it is just as important to BE SEEN by other drivers as
Do You Ever Use High Beam While Riding? Keep your beam use straight: low for lower speeds, suburban areas, and rain or fog. High for higher speeds and highways, but only when you can maintain at least 500 feet between your vehicle and the rest of us. When should you never use high beam lights?