... 2.eco-friendly 3.high efficience 4.nice surface 5.portable water cooling fan,noiseless Main features:low power-consumption, ... “high, medium, low” speed adjustion.Electromotion swing tuyere, large-scale air delivery.No need installation, easy operation.Extra thick and ... the places that needs cooling and ventilation:supermarket,office,workshop…Portable air cooler:XK-80Y Voltage/frequency: 220V/50~60HZ ...