1,Microcrystal Glass Faceplate 2,High Quality Crystal Plate 3,Stainless Steel Suitable for factory, school, restaurant, ... 220V\50Hz Dimensions:400*500*150mm Features:Economic efficient: heating with the principle of electromagnetic ,heat faster, thermal efficiency is up ... : no flame, no dust, exhaust no pollution air, ultra low noise design (below 45 db), optimized kitchen environment;Safety: security ...