Electrolux EHO603K is a ceramic glass hob with four cooking zones and two halolight cooking zones. The halolight cooking zones get hot very quickly when the control knob has been switched on. This hob is equipped with residual heat indicators, which light up when the surface of the corresponding cooking zone reaches a temperature which could cause burns. The heat control knobs regulate the heating capacity of the cooking zones. The control knobs for the cooking zone can be turned to the left and to the right to the desired position.