NetTesla Free Shipping on Orders of Eligible Items over US$ 79


Warranty Backed By Woi

Woi warranty covers all defects in materials and workmanship for all products sold and manufactured by Woi. Only original, unaltered, and unmodified materials and workmanship are covered by this policy. This warranty does not cover damage caused by improper deployment, misuse, accidents, neglect or the natural breakdown of materials over time. Products should be returned to us for evaluation. Items with defects in materials and workmanship will be repaired or refunded.

Warranty Brochure

Woi sets out the warranty periods, based on the materials, workmanship, usage rate and the availability of the spare parts for each product, during which we will offer you a refund, replacement or repair service case-by-case.

For the products listed below, we offer a 30-day return or replacement service if you are not satisfied with the purchase. The product must be in new or like-new condition with its original trademark, manual and accessories that were included when delivered. If there are any quality issues within the warranty period, we offer free maintenance service. If the warranty period duration is over, you may be charged for maintenance based on the practical situation.

*For Fiber Optic Transceivers, aside from the 30-day return and replacement service, we offer the replacement service if there are any quality issues within one year. If there are any quality issues after one year, we offer free maintenance within the warranty period.

*For consumable products, there are no warranty period and maintenance service provided. If there are any quality issues within 30 days after you received the products, please feel free to contact your account manager, and Woi will handle it promptly.



This Warranty policy applies only to the product purchased from Woi directly and not transferable to a third party without authorization. The Warranty does not apply if there are:

Damage due to acts of nature, for example, lightning strikes, flood, tornadoes, earthquake, and the like;

Negligence, misuse or abuse;

Modifications to any part of the Product;

Damage caused by accident, fire, or other external causes;

Damage caused by operating the Product outside the permitted or intended uses described by FS or with improper voltage or power supply.


No Woi re-seller, agent or employee is authorized to make any modification to the warranty. If any term is held to be illegal or unenforceable, the legality or enforcement of the remaining terms shall not be affected.