1,Microcrystal Glass Faceplate 2,High Quality Crystal Plate 3,Stainless Steel Suitable for factory, school, ... 50Hz Dimensions:400*500*150mm Features:Economic efficient: heating with the principle of electromagnetic ,heat faster, thermal efficiency is ... The output power can be adjusted flexibly;Advance: advanced microcomputer control system, has no pot detection and overtemperature protection, automatic ...