Oster 5711 food steamer is a mechanical plastic electric steamer with 2 collapsible tiers and 6.1 quart capacity. It has 75 minute timer to steam a variety of vegetables, poultry, rice and seafood. It holds a cook up to 8 eggs from soft to hard boiled. It’s designed for easy and safe steaming with external inlet to add water without interruption steaming process and auto shut of.