... technology, auto defrost,multiple security system, long time running,environmental protection,high efficiency and energy saving.Auto defrost function: original rapid heat ... multistratum control,to meet customer needs,temperature and humidity control up to 30 sets.Time setting:0-99h,0-9999m,programs ... ×w×d)1605×760×8301935×760×8901907×815×1090 High quality LCD constant temperature and humidity chamber