The product is found damaged or faulty after the warranty period expires.

The warranty service does not cover damage or failure caused by improper use of the product, unauthorized replacement or modification of components and product specifications.

The warranty is invalid if the product has been artificially damaged, improperly installed, modified, accident or modified without the authorization of Youtong.

Product damage caused by natural disasters, such as lightning, flood, earthquake, etc.

Unless otherwise indicated in the user manual, the user shall not attempt to repair, adjust or repair the product under any circumstances, whether during or beyond the warranty period. It must be returned to the point of purchase, the manufacturer or authorized service agency for all these works.

We will not be responsible for any indirect or accidental damage of the product caused by self change or maintenance of the product.