Flukers Terrarium Gauge Pack includes 1 thermometer and 1 hygrometer to provide accurate temperature and relative humidity readings of your reptile or amphibians terrarium. These precise, accurate gauges are easy to read and mount instantly on glass walls. Includes 1 thermometer and 1 hygrometer Provides accurate terrarium temperature and relative humidity readings Great for reptile or amphibian terrariums Consult your pet professional for the ideal temperature and humidity ranges for your pet!