-Adopt imported temperature sensor, more accurate temperature control. -Fixed value control mode. -With temperature calibration function. -With over-temperature protection function. -With overload protection function. -Advanced four-way dispersed air duct system, more uniform temperature. -The control system adopts fuzzy intelligent P.I.D controller. -Top exhaust and test hole. -Humanized adjustment of partition. -With fresh air entering the system. -Three upper and lower limit over-temperature protection functions. *Option optional parts. -Printer. -Inner glass door.