All of our products are Good quality and guarantee you 3 years warranty. They go thourgh our QC Test well before shipment. Sunroleds will repair or replace product covered under this warranty with components at Sunroled’s election or discretion. Advances in technology may lead to “better or advanced”products being selected for replacement. The Sunroled Warranty is further conditioned and will only apply to Sunroled products that are properly installed. This inchludes wiring and connection to proper approved components and product working environments. This Warranty is void and does not apply to products that fail as a result of neglect, mistake, misuse, alteration, improper installation or imple-mentation. This includes but is not limited to: improper wiring, installation under improper and nonapproved operating environments such as temperature, humidity or voltage conditions; improper installation using components that are not approved or are not Sunroleds manufactured products.