1, easy operation 2, excellent performance 3, automatic adjustment 4. trial freezing and drying 5, hygienic standard ... .6kg/hsize of material tray: 310*540*30number of tray: 3 pcssize of pot: 0.5*1.7operation vacuum:13 ... .3-200paheating plate temperature: normal temperature~+120 degree celsiuselectric heating: 2kwcold ...