Nonstick surface. Portable design for use in different clinic locations. Includes a convenient aluminum lid with handle. Heavy-gauge aluminum construction provides even heat distribution. Available with a two-pronged plug. Both are UL approved, 1300 watts and 120 volts. Pan measures 14-1/2in x 10-1/2in x 2-1/2in (37 x 27 x 6.4cm).