Transaction•if the shopper can not discover an analogous product, the buyer can send us the product and model, and we can reward it for you.• After installation, if not working, please touch us as soon as possible, and our engineers may also help you resolve the problem.• on the time of delivery, please confirm the correctness and completeness of the goods. If the products are unsuitable or damaged, please refuse to signal and make contact with us.• one hundred pc new meaning new product.• Our electric parts voltage is 220 V, in case your nation voltage is different, please contact us• Warranty:3 months guarantee, alternative and warranty. The customer shall pay for the transportation sent back• the default shipping is Buydo ordinary delivery.• if you want different delivery methods, please contact us, we will provide the following shipping tips :DHL, EMS, UPS, FEDEX• Customer delight is important for us. Please dont leave any neutral or unfavourable feedback before touch us feedback is not the perfect strategy to resolve any problem. We can work together to unravel any dispute.• Your five superstar feedback is our motivation, browsing ahead to pleasant feedback!Thank you very much!