Amazon カスタマー 2 Does not indicate when the temperature is higher than set. You can set the temperature basically to 20 degrees, but if the room temperature is over 20 degrees there is no warning.Also the recipe guide asked to heat up the pots in a microwave before using. I don't have a microwave. Also if you have one it must be a very large one. No English explanation available. Please improve your product or sell for less.