Replace pointed festoon bulbsSingle-Sided marine LED festoon bulbs: LEDs on One SIDE ONLYNon-polarizedBuilt-in regulated power supply; constant wattage draw regardless of voltage fluctuations from the source, meaning no flickering and longer LED lifeChrome-plated copper contactsCeramic heat sinkWhite frosted lens coverVery low power consumption (approximately 2W) Not for use in navigation lights.