Just add in water according to the instructions and adjust the temperature. The pan's built-in feet ensure that your counter top is protected from any scratching. This unit comes with a NEMA 1-15P plug.The item "2 PACK 120V Electric Chafer Warmer Chafing Dish Steam Full Food Water Pan Table" is in sale since Monday, June 3, 2019. This item is in the category "Business & Industrial\Restaurant & Food Service\Tabletop & Serving\Serving, Buffet & Catering\Chafers & Accessories". The seller is "the-nebzat-store" and is located in Multiple Locations. This item can be shipped to United States.