H4 6 Volt LED Headlight Positive or Negative Ground p43t Base for classic and vintage vehicles. This bulb operates from 6V to 30 volts AC. Great for old vehicles that are 8 volt or 12 volt positive ground. The bulb can be adjusted 360 degree's using allen wrench. The product is packaged with 2 headlights. The Lumen output for high beam is up to 1,800 Lumens. Operating life up to 30,000 hours. Up to 17W output power. Available in White 6000K only.