Activate between 175? and 180? and cook until the colored head of the thermometer pops out. Activate between 175 and 180 and cook until the colored head of the thermometer pops out. The popup thermometer is easy to insert, just insert and cook, ensuring that the timer does not touch the bones. Convenient & Hygienic: These thermometers are , eliminating the need for and reducing -contamination risks. Simply insert the thermometer into the chicken while cooking, and it will pop up when the desired temperature is reached. This convenient feature allows for hassle-free cooking and ensures hygienic food preparation. Accurate & Reliable: Our popping-up temperature meters are designed specifically for poultry, ensuring precise and reliable temperature readings. With these thermometers, you can easily monitor the internal temperature of your roasted chicken, achieving perfectly cooked results every time.