Cook Tops. Features 2 x powerful 3.5kW zones suitable for most typical pan sizes, Pan detection technology - auto-off when pan removed, No naked flames - reduced risk of burns, Open base provides additional storage space, Durable fitted castors for easy positioning, Highly efficient - reduces running costs and speed up to cooking, Heavy duty easy-clean toughened glass ceramic surface, 11 power levels, Compatible pan sizes: 120 to 280mm