Six characteristics of natto yogurt machine: 1. Simple operation. At first glance, the whole process can be operated with only three keys. The fermentation is completed at a glance, and the concert reminds you that you don't need to check it at any time. 2. Safe, harmless and durable fermentation cups and sealed cups are made of heat-resistant and non-toxic PP materials that meet FDA standards, which are as safe as ceramic tableware. Special PTC ceramics are heated without naked flame, ensuring the safety of household use, and the service life can reach more than 10 years. The outer shell and inner container are made of high-quality engineering ABS plastic, which has corrosion resistance, high strength and long service life. This product has been tested by China Household Electrical Appliances Research Institute and obtained CCC certification of national security. Third, the all-in-one machine can be used as a good helper for families, such as natto, yogurt and rice wine. One machine can ferment and is easy to make. Small family microbial fermentation factory can make healthy food safely and is a good helper for family health. Fourth, the built-in capacity is large and easy to clean. The fermentation chamber has an open structure and is easy to clean. The capacity of fermentation cup and sealed cup is 250 ml, and the small cup is designed to be easy to clean. 5. The success rate of intelligent constant temperature control 100%. Microcomputer intelligent constant temperature control system, the temperature in the fermentation chamber changes by 2℃, and the high-precision NTC sensor accurately transmits temperature information, so that the actual temperature of fermented products is consistent with the set temperature, and the production success rate is 100%. 6. Automatic power-off protection to prevent accidents. After the fermentation is completed, the intelligent control system automatically cuts off the power to prevent accidents, and every household can use it with confidence.