Transaction•if the client cannot discover a matching product, the customer can ship us the product and model, and we are able to present it for you.• After installation, if no longer working, please touch us as quickly as possible, and our engineers will help you remedy the problem.• on the time of delivery, please confirm the correctness and completeness of the goods. If the goods are flawed or damaged, please refuse to sign and contact us.• 100 percent new meaning new product.• Our electrical aspects voltage is 220 V, in case your country voltage is different, please touch us• Warranty:3 months guarantee, substitute and warranty. The customer shall pay for the transportation despatched back• the default shipping is Buydo normal delivery.• if you would like different transport methods, please contact us, we will provide the following delivery tricks :DHL, EMS, UPS, FEDEX• Customer delight is very important for us. Please dont depart any impartial or damaging suggestions before touch us feedback is not the supreme way to clear up any problem. We can work together to unravel any dispute.• Your 5 big name suggestions is our motivation, browsing ahead to nice feedback!Thank you very much!