Transaction•if the shopper can not find an identical product, the customer can send us the product and model, and we can present it for you.• After installation, if no longer working, please contact us as soon as possible, and our engineers may also help you solve the problem.• at the time of delivery, please confirm the correctness and completeness of the goods. If the goods are wrong or damaged, please refuse to sign and make contact with us.• 100% new meaning new product.• Our electrical facets voltage is 220 V, if your nation voltage is different, please touch us• Warranty:3 months guarantee, substitute and warranty. The visitor shall pay for the transportation sent back• the default transport is Buydo ordinary delivery.• if you would like various transport methods, please touch us, we will provide the following transport tricks :DHL, EMS, UPS, FEDEX• Customer delight is important for us. Please dont go away any neutral or detrimental suggestions before touch us feedback is not the ultimate approach to remedy any problem. We can work together to resolve any dispute.• Your five big name suggestions is our motivation, searching ahead to nice feedback!Thank you very much!