Transaction•if the client can't discover the same product, the client can ship us the product and model, and we can gift it for you.• After installation, if no longer working, please contact us as quickly as possible, and our engineers may help you clear up the problem.• on the time of delivery, please verify the correctness and completeness of the goods. If the goods are wrong or damaged, please refuse to sign and get in touch with us.• one hundred pc new that means new product.• Our electrical components voltage is 220 V, in case your country voltage is different, please touch us• Warranty:3 months guarantee, alternative and warranty. The buyer shall pay for the transportation despatched back• the default transport is Buydo standard delivery.• if you'd like other shipping methods, please contact us, we are able to provide the following delivery tips :DHL, EMS, UPS, FEDEX• Customer pride is important for us. Please dont go away any neutral or adverse feedback earlier than contact us feedback is not the best approach to clear up any problem. We can interact to unravel any dispute.• Your 5 celeb feedback is our motivation, looking forward to good feedback!Thank you very much!