Product parameters: Voltage 110v 60HZ Input voltage 12V Body material acrylic + aluminum alloy Body size 235mm 320mm 375mm Engraving area 100mm 200mm Communication method USB (CH340) Control system GRBL Packing size 404536cm Machine net weight 5kg Operating system WinXP/ Win7/ Win8/ Win10 Support cylinder diameter 15-100mm Carving materials cans, wood, paper tube plastic packing list: Goggles + power cord + USB + laser. Portable Cylindrical DIY Engraver GRBL Desktop 5.5W Mini Laser Carving Machine. Cans, wood, paper tube plastic. Adjust the focus of the laser head. The laser focal height can be adjusted by rotating left and right; 5.5W laser and fixed focusing column (adjustment speed is faster and more accurate). Can work for a long time. Easy to operate with the help of software. Import the image, enter the text, you can engrave. Small cylindrical laser engraving machine. Create a laser engraver for the cylinder. Goggles + power cord + USB + laser. Feedback is very important to us. It is impossible to address issues if we do not know about them! Faction is our ultimate goal. We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it's non-workdays, please kindly be patient and wait till Monday. WinXP / Win7 / Win8 / Win10. 5.5W Cylindrical Engraver Machine.