The Hydra LG Commercial Series Cigar Humidifier is designed to automatically regulate the humidity inside large cabinet humidors up to 16 cubic feet in size. Add up to 3 optional external fans to extend the Hydras humidification capabilities even further! This cigar humidifier reports humidity reading every 30 seconds and it's equipped with a large capacity water cartridge and 2 internal fans plus 2 external fan ports. The handheld remote unit is controlled through a 54"-long wire. The remote unit controls basic functions and reports temperature and humidity.