model CY-3600 power 120W air flow (m³/h) 3600 fan type axial voltage 220V frequency 50/60hz controller LCD /BUTTON size 0.93*0.61*0.4M cooling area (usable area) 30-50M² noise �55DB water tank 40L weight 17.3KG Unit comes completely assembled except for casters. They are easy to install. Price was realistic and high competitive. CY-3600 is perfect for cooling small rooms and personal spaces of up to 700 square feet. Enjoy being able to focus cool air where it is needed most with 2,200 CFM of cooling. Quiet Operation This powerful evaporative air cooler offers efficient cooling while also being super quiet during operation. Even when on its highest setting, it's difficult to hear it running. All you need is some water and you're all set. There's no compressor, just a quiet running fan and pump.