VEVOR Laser Engraver, 10W Output Laser Engraving Machine, 15.7" x 15.7" Large Working Area, 10000mm/min Movement Speed, Compressed Spot with Eye Protection, Laser Cutter for Wood, Certain Metal
Anything that can be carved can be used. Basically, the coating on thermos bottles, etc. can be engraved. Metals such as stainless steel, iron, alumina, etc. are all acceptable.
You can use it by connecting it to a computer to engrave flat materials. If you want to engrave cylindrical materials, you need to add a rotary roller.