This excellent quality humidifier features a multi-directional fogging head. Measures 12.2″ tall x 12.2″ in diameter. Coverage is from 160-320 sq ft, depending on humidification requirements and ceiling height. Maximum output is 0.4 gallons per hour. Industrial-grade motor for years of use. Connects directly to your water supply with your own hookup (uses 1/4″ tubing). Operates at 62 dBA. 110 volts/60 hz/.9 amps. 1 year manufacturer's warranty.