The HygroTherm™ is a Thermostat and Humidistat in one! It controls up to 1000 watts of combined temperature and humidity control devices. It has a 2-in-1 Remote Temperature/Humidity Sensor with 5 foot cable. It's great for use with Zoo Med's Repti Fogger™ Terrarium Humidifier or Habba Mist® Automatic Misting Machine. The HygroTherm™ has a nighttime temperature drop feature controlled by a photocell, built-in memory which stores settings in case of power failure and an alarm that can be set to flash when the temperature or humidity reaches extreme high or low levels.