* return and money back for customers within 30 days.
* ship free parts and free shipping to customers for a fix within 180days.
* ship free parts and the buyer pay the shipping fees for a fix more than 180days.
* we will send you new items if the products are totally broken since technical or quality matters within 1 years
(Retun and Refund: we provide 30 days no problem item return, we will refund all your money after we get the item, and we both provide 50% of the return shipping fee.)