1 Port Space Cooler provides 350 CFM of air flow for cooling 250 square feet of living area. There are three fan speeds. The 1 gallon reservoir provides 10-14 hours of cooling comfort. Very energy efficient, the Culer only runs on 12 volts of electricity. Direct the air flow with 15 degrees of manual port tilt and 90 degrees of manual port rotation. One year limited warranty. No assembly required. Gray.