Instantly measure the temperature of your milk or tea with the Gefu Sido tea and milk thermometer. This user-friendly thermometer displays the temperature right away with the dial. The thermometer measures temperatures from 40°C to 110°C which equals 104°F to +230°F. The Gefu Thermometer has a handy clip, you can easily attach it to your mug or pan so you have both hands free! When you are done using the thermometer you can clean it in the dishwasher, that's easy!