2 layers machine, however,it can be separated to be used according to your different food requirement.
Stainless steel heat base: more durable and environmental protection
Safety auto power off design to avoid burning without water in it .
method od application: 1. add suitable water into the boiler bottom.
2. then put food you need in it.
3. cover on, press the button, just wait for some time, then enjoy delicious food.