With professional installation and proper use of our LED Christmas illumination, we guarantee flawless function in winter weather conditions. If you really have complaints regarding the quality and function of our articles, please contact us immediately. After inspection of the defective item and a justified complaint, we will, at our choice, either repair or replace the item. The warranty does not cover damage caused by natural wear and tear, improper handling, faulty assembly or modifications not approved by us. Transport damage is also excluded from our warranty. Otherwise, our GTCs for order processing apply.