from the date of receipt of the product and contacts ZWO, ZWO will provide a free replacement
service if the product itself is confirmed to have quality problems or defects after testing by the
ZWO customer service center;
2) Product transportation problem: After receiving the product, the user finds that the outer
packaging of the product has obvious signs of water soaking or serious backlog and deformation,
and shall provide ZWO with pictures of the outer packaging of the product and receipt of the
goods within 3 days from the date of receipt of the product After verification by the ZWO
customer service center, it is confirmed that the product is directly shipped to the user or agent by
ZWO, then ZWO will provide relevant return and exchange services; if the product is directly sold
or shipped to the user by the ZWO agent , the ZWO agent will be responsible for providing
relevant return and exchange services.
3. If the product occurs in the following situations, it is not within the scope of warranty service,
and ZWO can provide maintenance services for users:
1) The product exceeds the warranty period;
2) The product is exposed to liquid and corroded by moisture;
3) The product is damaged by external force (such as scratches on the surface, deformation of the
product shell, broken USB port, etc.);
4) Dismantling, third-party maintenance, modification and refurbishment, flashing (downloading
wrong firmware) without express written authorization from ZWO;
5) The product system is changed or the warranty label is lost or changed;
6) Product quality problems caused by failure to install according to product usage requirements
or instructions;