This is the Koizumi egg steamer "KES-0400/S". You can cook eggs simply by setting water and eggs without using a stove. You can adjust the cooking level for hard-boiled, soft-boiled, and onsen eggs with the dial switch. You can make up to 6 hard-boiled eggs or up to 3 onsen eggs at once. A steaming plate is included, and it can also be used for steamed dishes. This is an egg cooker made by KOIZUMI with a transparent cover and a stainless steel body. - Model Name: KES-0400 - Brand: KOIZUMI - Accessories: Instruction manual - Color: Transparent/Black - Material: Stainless steel - Function: Egg cooker ◎ This is a used item, having been used once. ◎ There are white spots on the surface of the water receiver, but this is calcium that has dissolved from the water or eggshells, and it is not a defect. Please check the third photo. ◎ There is some dirt on the box. Please check the fourth photo.