A car LED light with a power rating of 8 watts is a type of automotive lighting that uses Light Emitting Diodes (LEDs) as the source of light. LED lights are known for their energy efficiency and long lifespan compared to traditional halogen bulbs. They are also brighter and consume less power than halogen bulbs of the same wattage. The “8W” rating indicates the power consumption of the LED light, which is 8 watts.