A sleek and smart humidifier that mounts under humidor lid. Perfect for personal size humidors up to 100 cigar capacity (up to 1.5 cu. ft). It provides you with virtually unattended operation for weeks. You will not have to worry about mold or chemicals as it uses a 100% distilled water cartridge which is easily replaceable or refillable. An alarm indicates when water or batteries are low and it has a built-in hygrometer. You can use the Cigar Oasis powered from any wall outlet or six AA battery case included with unit. Manufacturer one-year warranty. Small size: 1” H x 2.5” W x 7” L. Features Micro-USB connections and WiFi capabilities.