CHAOQIANG patience this communication with you, professional sales team to understand your needs, and choose the most suitable for your solution, and customize your special needs. The moment from products to customers, due to product quality problems caused by the failure, one year free warranty. The moment from products to customers, because of the quality of the product itself causes of failure, also actively cooperate with, for the corresponding repair and maintenance. When you use super products need any help, please call our superior customer service center, we will effort to help you.