Key Features Direct Replacement Extremely Low Power Consumption Easy Installation LED Auxiliary Bulbs Vision X LED Automotive Bulbs provide a more natural light color and have an extremely low power consumption. With most vehicle factory headlight bulbs being halogen, upgrading to an LED bulb will drastically improve light output as well as performance. Direct Replacement Auxiliary Bulbs come in many different sizes, Vision X happens to have direct replacements for many popular factory bulbs.