This environmentally friendly, minimum/maximum thermometer has two (non-mercury) scales, so you can clearly see the measurents in both centigrade and farenheit. The maxinum and minimum temperatures are also displayed digitally, with the option for the reading to be viewed in C or F. It is incredibly accurate, has a simple reset button and can be used both indoors and out. One AAA battery will be
Easy to read and install, Exo Terra Analog Thermometer monitors temperature levels effectively and easily. It comes equipped with the option to monitor the temperature of your terrarium in either Celsius or Fahrenheit. Maintaining the proper temperature and humidity levels in a terrarium is vital for the well-being and health of all reptiles and amphibians.