Big Apple Thermometer & Humidity Gauges

Compact, easy to read 2-1/4" diameter gauge accurately and precisely displays temperature and humidity changes.

We've tested many brands and very few thermometers or humidity gauges could compete with accurately measuring your terrarium's temperature or humidity. The unique velcro backing provides easy installation and removal. Accurately measures temperatures from 0 to 160 degrees Fahrenheit and humidity from 0 to 100 percent.