APP operating system: support IOS 9.0+/Android 5.0+. Power input: type-c(5V, 2A) charger. Operating humidity range: 5%80% (non-condensation dew). Safety certification: iec60825-1 (laser level 1 safety specification), CE, RoHS, FCC, FDA CDRH registration.
Materials that cannot be carved: metal, stone, jewelry, reflective materials, silver, white paper (astigmatism, poor effect), materials that cannot be burned or focused, such as metal without any coating, transparent plastic, with added flame retardant materials. Distance between the laser head and the carved object: about 20cm.Immediately you paid for the order. Communication always is best way to solve problem. We accept any return in 14 or 30 days that we promise. If item is defect or wrong when it. Please never return the parcel without agreement. From us, it is no possible for us to get the parcel. Because the Ratings below 5 are equal to You are NOT satisfied. Your recognition is our motivation in developing our small company and improving our service for each customer. It'll take you one minute only.
If you're not satisfied with our goods or service, please write to us immediately so that we can help you out. Sincerely hope you do not leave us any negative or neutral feedback. Communication is very important, we believe we can resolve all the problem with each other.
We will give you the best advise. We welcome to answer any questions you have. This item is in the category "Business & Industrial\Printing & Graphic Arts\Screen & Specialty Printing\Engraving". The seller is "ehome9" and is located in this country: CN. This item can be shipped worldwide.