Good to know- The extendable zone is perfect for cooking in a roaster or other large cookware- Safety's always a priority - the residual heat indicators, child lock and safety cut out are there for your peace of mind- Its Schott Ceran coating makes the hob super durable and safe from chipping- Touch controls let you set the timer or change the power settings with just a tapELECTRICAL INSTALLATION: This product requires professional installation to a dedicated cooker circuit (identified by a big red cooker switch) by a qualified installer, such as one of our Tech Experts.