PHLIZON believes in making great planting lights for our customers. We follow strict development guidelines and quality standards and we fully stand behind our products. If you ever do have any issue with your light we will resolve it quickly with our unbeatable customer service. We offer a 3-year extended warranty on every grow light we sell. Free warranty for lights within 1 year. Buy with confidence, buy PHLIZON. For more detailed information about the warranty, contact support@phlizonstore.com