LEDriving PREMIUM PY21/5W replacement lamps are compatible with conventional P21/5W lamp bases. The retrofit lamps are available in three different light colors for various applications (Cool White, Amber and Red) and offer an easy plug & play replacement, regardless of base polarity. OSRAM offers a 6 year guarantee for these LEDriving PREMIUM lamps. These products are not ECE-approved and must not be used on public roads in any exterior application. Use on public roads will invalidate both the operating license and insurance coverage. Some countries prohibit the sale and use of these products. Please contact your local distributor for information on your country.