Duxtop Induction Cooktop Model# 8100MC use 90% of the energy produced. The energy produced by the cooktop is directly supplied to the cooking vessel by a magnetic field. Self-adjusting burners detect the size of the cookware base and automatically adjust so that very little energy is wasted. Duxtop Induction Cooktop is fast and safe to use, easy to clean. This versatile indoor/ outdoor cooktop is great for entertaining; use it as a stylish, elegant centerpiece on the table, for outdoor parties and in the kitchen as an extra cooking zone.