Desk Top Weather Station. Easy-to-read numerals. Suitable for indoor use only. This Taylor 5504 4" indoor thermometer and hygrometer makes it easy to see if your food is being stored within safe temperatures. This thermometer has a temperature range from 20 to 100 degrees Fahrenheit and 10% to 80% humidity. This allows you to easily monitor both the temperature and humidity of your prep and dry storage rooms.