Chinese herbal medicine has been popular for many centuries. Sunpentown medicine cooker brings you the benefits of herbal medicine, but takes the hassle out of the once time-consuming process. Simply place the ingredients, prepared by you herblist, into the cooker and add the specified amount of water, plug in the unit and your medicine will automatically be reduced to one bowl, as prescribed! automatically switches to keep warm. Detachable power cord Auto switch to Keep Warm Stainless heater Ceramic material for best results MODEL NO - SS-0340