If the buyer found the item was defective when the items arrived, we would accept refund or replacement of the item. The buyer should notify us within 3 days of receipt to gain the Return or Replacement Authorization. Shipping charges are nonrefundable.
Attentinon , If have condition as follow , we don't Refund .
1. Not the goods problem , You don't know the technology .
2. The Buyer brokend the goods himself.
3. Store or install in wrong way.
4.Buyer order wrong goods.
Please consult customer service for details.