Discover our various LEDriving PREMIUM signal lamps. These retrofit lamps offer a suitable replacement for P21W lamp bases with an intense light up to 6,000 Kelvin. Thanks to their long lifetime and the short-circuit protection the lamps are maintenance-free. What's more, the LED lamps impress with their high efficiency: They use up to 80% less energy than standard P21W lamps. OSRAM offers a remarkable 6 year guarantee for these long-lasting lamps. Footnote: These products do not have ECE approval. This means they must not be used on public roads. Several countries do not allow sale and use of these products. Please contact your local distributor for information on the availability in your country.