Transaction•if the buyer can't find a matching product, the buyer can ship us the product and model, and we are able to provide it for you.• After installation, if no longer working, please contact us as quickly as possible, and our engineers may also help you solve the problem.• on the time of delivery, please verify the correctness and completeness of the goods. If the products are fallacious or damaged, please refuse to signal and get in contact with us.• one hundred pc new meaning new product.• Our electrical features voltage is 220 V, if your nation voltage is different, please touch us• Warranty:3 months guarantee, alternative and warranty. The customer shall pay for the transportation sent back• the default transport is Buydo usual delivery.• when you would like other delivery methods, please touch us, we will provide the following delivery tips :DHL, EMS, UPS, FEDEX• Customer pride is significant for us. Please dont go away any neutral or adverse feedback earlier than contact us suggestions isn't the supreme approach to solve any problem. We can work together to unravel any dispute.• Your five megastar feedback is our motivation, shopping ahead to pleasant feedback!Thank you very much!