Thermometer and hygrometer measures temperature and humidity Memory storage of high and low temp and humidity readings Large and easy-to-read digital display Celsius or Fahrenheit Battery (included!) The two biggest factors in achieving a successful hatch are correct temperature and humidity. With these factors in mind, we created the IncuTherm series digital thermometer/hygrometers. The IncuTherm is able to accurately measure and display the temperature and relative humidity at the same time which can be displayed in both Fahrenheit and Celsius. A compact design allows the IncuTherm to be placed inside the incubator without taking up much space while a large LCD screen makes it easy to read. The built-in high and low memory stores the highest and lowest temperature and humidity readings since the last memory reset. This helps you ensure ideal conditions for a successful hatch. As always, all of our products are covered by our One-year Hassle-free Guarantee. Purchase today with no worries and experience the IncuTherm Digital Thermometer/Hygrometer for yourself.