Zoo Med Digital Combo Thermometer Humidity GaugeThe Zoo Med Digital Combo Thermometer Humidity Gauge is a quick reading hygrometer and thermometer for terrariums, incubators, and other animal environments. It features a waterproof air water temperature probe and separate humidity probe, allowing you to measure heat and humidity in different locations. Quick reading digital hygrometer and thermometer Independent remote probes measure heat and humidity of different locations Suction cups make tank