Due to the very high life of LED lamps. amounting to tens of thousands of hours. the life declared by the manufacturer is most often life determined on the basis of the method of forecasting the long term lumen maintenance. Life forecasting is based on operational measurements of the luminous flux drop over a period of at least up to 6000 h every 1000 h and extrapolation of the obtain... https://bellfordtoysandhobbiers.shop/product-category/motorcycle-kit/