Transaction•if the shopper cannot find a similar product, the customer can ship us the product and model, and we will gift it for you.• After installation, if not working, please contact us as soon as possible, and our engineers can assist you solve the problem.• at the time of delivery, please verify the correctness and completeness of the goods. If the goods are mistaken or damaged, please refuse to signal and speak to us.• 100 percent new that means new product.• Our electric points voltage is 220 V, if your country voltage is different, please touch us• Warranty:3 months guarantee, replacement and warranty. The buyer shall pay for the transportation sent back• the default transport is Buydo standard delivery.• once you would like different delivery methods, please touch us, we can provide the following delivery tricks :DHL, EMS, UPS, FEDEX• Customer satisfaction is critical for us. Please dont depart any neutral or detrimental feedback before contact us suggestions isn't the superb choice to solve any problem. We can work together to resolve any dispute.• Your five big name feedback is our motivation, searching forward to nice feedback!Thank you very much!