Hydra LG Commercial Series Electronic Cigar Humidifier 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. You can add up to 3 optional external fans to extend the Hydra LG's 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.