Better visibility for improved driving comfort: With an intense white light and a beam that brings up to 100% more light on the road than standard halogen bulbs, the benefits of LED and halogen bulbs are reconciled More relaxed and safer driving at night: Thanks to a special blue coating, the light colour goes up to 4800 Kelvin (depending on bulb type), similar to daylight Reliable: The H4 Ultra White offers a broad spread and safer driving from the faintest dusk to the darkest nights Easy installation: Quickly upgrade your headlights - Respect precautions and use gloves, touching the bulb with your fingers may shorten its lifespan Tip: Each bulb has a similar lifespan, we recommend replacing your headlights in pairs to prevent any light imbalances and to avoid another visit to the workshop in a short time