This kit includes a refrigerator thermometer and a freezer thermometer, capable of monitoring the temperature of your refrigerator's freezer and fresh food compartments: -40℉ to 99℉ (-40℃ to 38℃), ensuring your food stays fresh at all times. Additionally, it can also monitor your indoor temperature from -40℉ to 140℉ (-40℃ to 60℃), serving as a versatile assistant for temperature monitoring in your home