Transaction•if the customer cannot find a same product, the customer can send us the product and model, and we will provide it for you.• After installation, if no longer working, please touch us as quickly as possible, and our engineers can help you solve the problem.• on the time of delivery, please confirm the correctness and completeness of the goods. If the products are wrong or damaged, please refuse to signal and get in touch with us.• one hundred pc new meaning new product.• Our electric elements voltage is 220 V, if your country voltage is different, please touch us• Warranty:3 months guarantee, replacement and warranty. The customer shall pay for the transportation despatched back• the default transport is Buydo typical delivery.• in order for you other shipping methods, please contact us, we are able to give you the following transport tricks :DHL, EMS, UPS, FEDEX• Customer pride is key for us. Please dont go away any neutral or destructive suggestions before touch us suggestions is not the superb technique to solve any problem. We can interact to resolve any dispute.• Your 5 big name suggestions is our motivation, shopping ahead to pleasant feedback!Thank you very much!