Dual zone heated shelves let you save energy during off-peak hours by only heating the zone you need. Thermostatically controlled unit maintains even and accurate temperature. Aluminum core provides even heat distribution. Stainless steel outer construction and smooth top with welded corners provides an easy-to-clean surface free from grease and dirt traps. 120V. UL. NSF. Warranty: 1 Year Parts & Labor. Ships from WI.