... Can led daytime running lamp work in very hot weather and very cold weather? Yes, the working temperature range is -50 ... .2.Can led daytime running lamp work in stormy weather? It depends, but our waterproof grade meets IP65 ... standard and can be used in stormy weather.3.How about the quality of your led ... IP65 standard. They can be used in the stormy weather.5.Can you accept OEM orders? Yes, OEM ...