The Birla Mini Air Cooler is not a good product and the reason for this is the product is having a lot of bad features and is not to efficient also the service and the support of the device is very bad and the cooling process of the device is also very bad the device is also having a very bad sound effect also the quality and the durability of the product is also very bad and the cost of the product is also very bad. the product is also very bad and the product is also not to efficient I do not like the product because it is really very bad product and the people should never recommend the such product because it is really very bad.