Philips LED Interior/Exterior Retrofit Bulb is compatible with most new car models, easy to fit (plug and play) and is an upgrade to miniature bulbs 6428, 12818, DE3021. Product is 100 percent DOT compliant. This retrofit pack of 1 provides the same Original Equipment quality and reliability. A wider beam pattern is perfect for reading without disturbing the driver and offers a warm white light, a daylight effect. Philips LED Retrofit Bulbs are maintenance free and have improved temperature resistance.