LEDriving SL T4W replacement lamps offer a modern and intense light with a color temperature up to 6000 Kelvin. These replacement lamps are suitable for all conventional T4W lamp bases. In comparison to standard lamps, these LED retrofit lamps use up to 80% less energy. These products do not have ECE approval and must not be used on public roads in any exterior application. Public roads use leads to cancellation of operating license and loss of insurance coverage. Several countries forbid sale and use of these products.