Already after one year no longer lights more lights. The application for compensation, the seller refused on the grounds that it does not involve an initial error (lack of quality I would find true at LK for outdoor use) but suspected to be improper use or influences the weather. What can I say? Do not buy in such a company. In retail, a defective light string is replaced after almost two years. As long as they should in my opinion the "weather" endure, if it is intended for outdoor use, I mean.