Commercial Yogurt Maker 1,Capacity: 50L/200cups/250ML/cup 2,Power: 200W (Refrigeration)/500W ( Heating) 3,Voltage: 220V/50Hz Commercial Yogurt Maker1. ... or RefrigerationFunctions of yogurt, natto, rice wine makingFermentation temperature for yogurt, natto, rice wine: 42,42, 30 degreeFermentation time for yogurt, natto, rice wine ... hygienic Please check out our other goods: Commercial Yogurt Maker