[Safety Device]Avoild overheat protect device: when inter temperature overheat, power break electric current automatically. [Pressure Adjustment]The machine can automatically adjust the pressure, when the pressure exceeds the standard value automatically exhaust for regulation. Ensure a safe pressure range. [Complete Accessories]Package Includes: 1*main body, 1*rack, 1*trays holder, 2*trays, 1*exhaust tube. [Efficient & Fast]SterlliIzation time: 121 30Min /134 10Min. [Temp Control]The machine adopts chip control technology and is equipped with an external pressure valve, which can visually detect the operation status of the machine.