Cooktek Drop-In unit Stainless steel edging, aluminium housing and control boxAutomatic pan detection allows for instant heat transmission to the pan so there is little energy consumption when pan is not present Integral fan keeps internal electronics cooler Auto protect function shuts off the cooktop when a minor problem arises and displayed error code enables user correction of the problem Choice of precise power with control between 0 20 in single digit increments or temperature control in 5C increments between 30C 260C