Don't trust herp habitat humidity and temperature to chance! Control it precisely with Zoo Med's Hygrotherm Temperature and Humidity Controller. 1000 watt capacity manages several heating and misting systems simultaneously. Great for sensitive species, the Hygrotherm controls temperature by activating heating devices and cooling devices when appropriate. Alarm function flashes when humidity or heat reaches an extreme. Built-in memory stores settings in the event of power failure. Ranges from 50 to 112 degrees Fahrenheit, and 15 to 95% relative humidity. Great for use with Fogger's, Misters, and all types of heating devices.