Makes delicious, natural, preservative-free yogurt from fresh, full, low-fat, non-fat orUHT milk (ultra-pasteurized or long life milk) as well as powdered milk. Processing time is 8 to 10 hours. Yields one quart of yogurt in 7 individual glass jars with lids. Automatically controls optimum processing temperature, consuming only 13 watts of power. Can make up to 7 different flavors of yogurt at one time. No need to pre-heat pasteurized milk. Clever ready-time reminder on top handle. Instruction manual includesrecipes. 9-1/2 inches D x 4-1/2 inches H. 110 volt. 3-1/2 lbs. UL listed.