Warranty and after-sales service.

The validity period of this product is two years after the
date of shipment, and the failure occurs during the warranty period due to the
following circumstances, we will charge manual material cost at its discretion.

1）. Disassembly andmodification by oneself or by outsiders.

2）. Not used safely in accordance with instructions.

3）. The specified voltage is not followed or the load exceeds the nominal value