All of our electronic products are designed and rated for use in the United States using 120 volt current. We advise you to use a reputable carrier service when returning your goods. Please check the Voltage information and make sure it matches the one in your country. In case it’s not stated in the description, do ask us. We guarantee that your issue will be solved quickly. We usually respond within 24 hours on weekdays. Warm Tips: All kinds of coffee cooking utensils need different grinding thickness. It is recommended that you understand your equipment and choose the appropriate scale. The number above the scale adjustment represents the thickness of the coffee powder No. 0 is the finest coffee powder, and No. 8 is the thickest coffee powder. Adjust the thickness of the coffee powder according to your preference or the used coffee appliance to the desired thickness number. Specification: Name: Electric Coffee Grinding Machine Type: Burr Grinders(Conical) Function: Dry Grinding Speed Gear: 8 Gears Voltage:110V/60Hz. Rated Power: 150W Smash speed: 150g / min Beans cartridge capacity: 250g Plug:US Plug. Material:Alloy(motor) and Plastic(base). Net Weight: 3kg Packing Size:250145370mm How To Use: 1. Adjust the scale to the desired number. Turn on the power switch. Place the coffee beans in the funnel. Turn off the power switch after use. Open the fuse holder No. 14 and check if the fuse is burned and needs to be replaced. The foreign body (stone or iron) inside the coffee bean causes Package Included: 1x Coffee Bean Grinder. RRH Burr Coffee Grinders Upgraded, Professional Electric Coffee Grinder, Burr. We do not accept P. BOXES – PLEASE PROVIDE A PHYSICAL ADDRESS.