You can call us or send e-mail Tel：+86 755 27643116 e-mail address: sale@emomotech.com

If we have in stock: within one week If we have no stock: within two weeks. Customized products: according to your project.

If you are a consumer, please try to contact with the distributor whom you purchased this product. If you are a reseller, you can contact customer support or e-mail to us.

The warranty period is 1 year from the date of purchase.（The limited warranty does not cover damage to the product due to external causes.）

The serial number is stick to the back of product, consist of English alphabet and numbers,提供the serial number help us to recognize the detail of products.