It comes in a protective sleeve doubles as an extension handle. Simply thread the thermometer stem through the hole located at the bottom of the sleeve to act as a holder to protect hands and keep them away from the heat. After use, the thermometer will probably be hot to the touch. It’s advised to protect the hands when handling. Do not leave thermometer in the unit as damage to the lens may occur. To clean, handwash the thermometer only. Do not immerse it in water or place in the dishwasher.