Transaction•if the customer can't find a similar product, the shopper can send us the product and model, and we're able to reward it for you.• After installation, if now not working, please contact us as quickly as possible, and our engineers allow you to clear up the problem.• on the time of delivery, please confirm the correctness and completeness of the goods. If the products are mistaken or damaged, please refuse to sign and get in touch with us.• one hundred pc new which means new product.• Our electrical parts voltage is 220 V, in case your nation voltage is different, please contact us• Warranty:3 months guarantee, replacement and warranty. The customer shall pay for the transportation despatched back• the default delivery is Buydo usual delivery.• if you'd like diverse shipping methods, please touch us, we are ready to give you the following transport tricks :DHL, EMS, UPS, FEDEX• Customer satisfaction is important for us. Please dont go away any impartial or destructive feedback earlier than touch us suggestions isn't the best way to resolve any problem. We can work together to resolve any dispute.• Your five star feedback is our motivation, looking forward to pleasant feedback!Thank you very much!