CookTek 638201 SinAqua Induction Hot Food Well is a waterless buffet warmer that does not require water lines or drains and provides precise temperature holding. Will accommodate hotel pans and steam table pans up to 4" deep. Has three sensors have each have their own temperature zone and controls and will hold one full-size pans and three third size pans. Have four set temperatures with more available through the controller. Auto pan detection and will go in to low power mode when a pan is not present. One-year limited warranty in both the U.S. and Canada. Made in the U.S.A. - Aluminum - NSF - Depth 4 in - Sold per each