The Hydra SM Personal Series Cigar Humidifier is designed to automatically regulate the humidity inside large desktop or mini cabinet humidors up to 8 cubic feet in size. Add optional external fans to extend the Hydra's humidification capabilities even further. 

Features: Large LED for easy viewing, Reports humidity reading every 30 seconds, HygroSet adjustable technology, Foam filled water cartridge, One internal fan and Two external fan ports, Audible and Visual low water indicator, Toggle switch to turn off/on audible alerts. Instructions included. Measures: 6"L x 2"W x .375"H