Stainless steel inner tank, balanced fermentation.One machine with multiple functions, yogurt/natto/rice wine.Fever yogurt is thick and thick.1.7L large capacity, delicious to share.Protect automatic constant temperature.7 cups, a variety of delicious ways to play.Specification:Voltage: 110-240VFrequency: 50HzPower: 10WCapacity: 200ml*7 (Glass cup) 1.7L (Stainless steel liner)Note:1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Note:-Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully.-Please allow 1-3CM differs due to manual measurement.-Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.