Frequnent Q&A 1. Does the air cooler wet my desk? The water tank is uniquely designed on the top,keep the table clean and clean, to solve the problem of water leakage. Please rest assured that no water will wet your desk. 2. Can it achieve the same cooling effect as an air conditioner? THIS IS NOT AN AIR CONDITIONER! It is a personal evaporative cooler, can not make the room cool, but it is much cooler than the fan.You need to be sitting in front of it to gain any benefit from the cooling wind. 3. Why sometimes it cools weakly? The type of adapter and water has a great influence on the cooling effect. Do not use pure water or distilled water, juse use tap water. Use a 5V/2A adapter to ensure that the machine has enough power to work,Please use the AC adapter in our package. 4.After using for sometime, the fan leafe will be very dirty, easy to take apart and wash? Please see our pictures, it is very easy to disassemble and clean. 5. What can I do if I have trouble on using it or I'm not satisfied with the personal air cooler? Please feel free to send your problem to us.