The Dual Sensing Probe Thermometer/Timer has a dual progress display to show temperature of the food and the oven. Place the food in the oven or barbecue and close the oven door (or grill cover) directly over the sensor cable. Set the temperature alert for USDA safe cooking temperatures, which are listed on a back of the device. Both the set and the actual temperatures are displayed during cooking. . The DSPI measures the ambient temperature of the oven simultaneously and offers a distinct alert sound when the set oven temperature is reached. The temperature range for this thermometer is 0°C/-32°F till +300°C/+572°F. Sold singly.