ZOSI warranty covers the product as well as its components ,accessories contained in the original packaging for two years from the transaction date.
This warranty is not applicable to defective or damaged products which caused by negligent use ,misuse, abuse, alteration, and other analogous wrong usage .
This warranty is not applicable to defective or damaged products which result from extreme environment ,such as,heat, humidity, moisture or temperatures beyond product specifications.
This warranty is not applicable to defective or damaged products which caused by purchaser’s personal unauthorized behavior,for example he replace parts not supplied by ZOSI.
This warranty is not applicable to defective or damaged products which caused by accident, fire, flood,earthquake and other natural disaster. ZOSI reserves the right to make changes to its products without incurring any obligation to modify any product that has already been manufactured

ZOSI will definitely repair the defective product for customers until the product operate normal. The repaired products must meet the following conditions :it should be within 2years from purchase date to apply for repair date; the product must be purchased from ZOSI official online store or other legal authoritied online store; customer can offer us specific order number and product model.

If products are found to be defective and can not be fixed up, ZOSI will replace parts or whole product for customers.Any customers apply for replacement should know that any replacement parts supplied by ZOSI in connection with this warranty shall be warranted to the customer for a period equal to the unexpired portion of the warranty period for the product.

ZOSI promise customers that your security investment has comprehensive protection.ZOSI won’t leak a trace of your private information to any institution or individual for any poupuse.ZOSI crate a absolutely secure environment for your consumption.

ZOSI offer unconditional return in 30 days ,and charge no additional cost for labor or repair if customer claim to repair products.We provide compulsory service for every customer not only before purchase but also after purchase.Note:If buyer claims for return purchase for personal subjective reasons with in 30 days,he shalll charge of the shipping cost.