The LEDriving PREMIUM W21/5W retrofit lamps offer a suitable replacement for conventional W21/5W lamp bases. With these lamps, you have an easy plug & play replacement, regardless of base polarity. Thanks to homogenous light distribution a non-selective illumination is possible. For these LEDriving PREMIUM lamps, OSRAM offers a 6 year guarantee. 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.