... ( kg )20 2.The main features 1. Multiple Function:Air cooler,Fan,Purifier and Humidifier.2. Honeycomb wed pad for optimum performance ... overvoltage protection. 3.The principal of Xiboli Air Cooler SystemThe air cooler is taking the fresh air as an input and using cooling pad ... save energy and health ect. 4.Where to use Xiboli Air Cooler System1 For indoor using: home ,office,restaurant ,classroom,etc. ...