desc:mug heat transfer machine Specification: Accurate top-to-bottom HeatContinuous heat around the mug Temperature controller and time controller are LCD Readout Current voltage:110V/220V, Frequency: 50HzPower:400W Machine size: 30*30*18CMT he range of the temperature:0-399degrees Range of time:0-999sec Temperature rising time: (180degrees ) 3minutes Max diameter: 9*11CM Weight:11KG