While I've cleaned the codes and switches, there may be some dust, so please check the images. Operation is not an issue. Functions: Utilizing the Coanda effect, it enables various styling options such as curling, blow-drying, drying, and reducing flyaways while minimizing heat damage to the hair. Features: It protects hair's shine by controlling the temperature with intelligent heat control without relying on excessive heat. Accessories: Comes with multiple attachments (curlers, brushes, dryers, etc.) to accommodate diverse styling needs. Power Supply: Compatible with 100V 50-60Hz, suitable for use in Japan. Thank you for viewing.