Zoo Med Digital Combo Thermometer Humidity Gauge

The 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. Suction cups make tank installation easy. Battery included - ready to use. Directions: Using suction cups, mount the probe inside the enclosure (wet or dry). Mount the digital display in a dry location outside the enclosure. Press the power (pwr) button to turn on. Press and hold for 5 seconds to turn off. Slide the Fahrenheit/Celsius switch to desired setting. Requires one LR44, 1.5 v battery (included). Please be sure that your animal cannot chew on or entangle itself in the cable. Sense and read temperatures of -10 to 140 F