A frosted glass back panel allows the light in the back of your oven to shine through the Thermometer, illuminating the large numbers and making them easy to read. The easy-to-use clip lets you hang the Thermometer from any oven rack or stand it on top of the rack. In either position, the clip fits securely on the oven rack to prevent the Thermometer from falling when food is moved in or out of the oven. Calibrated for accuracy, Oxo International's Oven Thermometer features Fahrenheit and CelsiuOxo Oven Thermometer-Home