The Hydra® LG Commercial Series Cigar Humidifier is designed to automatically regulate the humidity inside larger display cabinets up to 16 cubic feet in size.  The internal computer senses changes in humidity within your humidor, turning a fan on to circulate more humidity and turning it off when the desired humidity is reached.  You may also add up to 3 optional external fans (sold separately) to extend the Hydra's humidification capabilities even further!  Product details include a large LED for easy viewing, humidity reports every 30 seconds, HygroSet® adjustable technology, refillable and replaceable foam filled water cartridge, one internal fan, two external fan ports, handheld remote unit on 54" long wire, remote controls basic functions and reports temperature and humidity, and instructions.  Measures: 11"L x 4 1/4"W x 4 3/4"H.