Rosewill RHST-15001 Steamer could steam a variety of foods at the same time, in order to serve a complete health conscious meal. Just fill the Steamer with water, place one to three transparent baskets filled with food atop the base, and then set the cooking timer according to the instruction beside the timer. No worry about the water level because of the safety auto-off and double external see-through water-fill inlets on both sides for easy water refill. Since food cooks faster in the lower basket, always place one basket filled with food which takes a longer time to cook near the base. BPA-free basket is environmentally friendly and provides healthy cook