... Description: LED car bulb is used to replace incandescent bulb or halogen bulb in car and boat, which aim to save more energy, ... LEDs only take several Nanoseconds to be lit up. Whereas, Incandescent bulb will take several seconds to burn filament fully before illumination. ... No mercury and less heat emitted. Features:Our LED car bulb are super quality, reasonable price, 100% Taiwan chip, good ...