CULER AC200-AM 3-Speed Double Port Space Cooler for 500-Square Feet Dual cooling ports are perfect for patios, great rooms and workshops and other spaces up to 500 square feet Easy to operate: just fill with water and turn on to enjoy up to 9 hours of cooling on a single fill The lightweight design and built-in carry handle bring the cool to you Select from 3 fan speeds and dial in a cooling level that's just right for you; direct the cooling port where you need it most Please refer Troubleshooting Tricks and User Manual under Product Description.