I am selling this because I didn't use it. I only opened the top for the photos. It is unused, but please understand that it has been stored by a private individual. This is a two-tiered cooking appliance that easily makes boiled eggs and steamed dishes. - Model Name: SE-002(W) - Functions: Steam, Warm - Power Supply: AC100V 500W - Cooking Examples: Boiled eggs, broccoli, pumpkin, steamed buns, asparagus, shumai Thank you for looking.