What is the hottest product before Christmas? Christmas tree! What is more fire than the Christmas tree? LED light string. One family buys two Christmas trees, each one requires multiple Christmas lights to decorate, let alone decorate the strings in the garden, under the roof or even on the roof. Unfortunately, LED strings (and other similar products used for Christmas decorations) need to be connected to the power supply. The unqualified product easily causes a fire and jeopardizes people's life and property safety. Before this, similar Cases, so before the annual Christmas peak season, Amazon platform will always conduct a carpet-type Christmas products rigorous investigation was found to sell similar products, sellers, often receive e-mail tips.