Latte Easy Steam Thermometer Espresso Foam Simplify steaming with this innovative thermometer. The Original Easy Steam Thermometer features markings at each degree and is excellent for training or daily use. Face plate is 1.75" wide for easy reading. This thermometer reads in both Fahrenheit and Celsius. It also features a turn off point indicator at 140 degrees to help you keep the milk from overheating. Red and green zones visually signify perfectly steamed milk and warn when the milk is overheating.