1,Colored-screen display, 2,Big-open type design,convenience for storage& fetch 3,23L/18L Optional 4,LCD,multi languages physical space: 23L/18L sterilizing temperature 121,134 Data logger Dry procedure vacuum drying Display LCD,multi languages test Bowie&Dick,Leak sterilizing record There is a micro-printer optional, recording the whole process of sterilizing Safety Features Pressure Release ...