ALROCKET Portable Air Conditioner always focuses on innovation and creative life! This Personal Air Cooler is a multifunctional appliance for home, office and outdoor, it can be used for cooling, humidifying, or purifying your room depending on your needs,performs best in hot/dry climates where humidity levels are <60%. This new mini Air Conditioner with a sophisticated look and want to help you to enjoy a COOL SUMMER!! When the water tank is empty, the indicator light changes from blue to red. 3 Wind Speed Settings: This air cooler has 3 Speeds settings which are high, medium and low speed, you can choose the speed that you feel most comfortable. Simple operation, just press the switch to enjoy comfortable cool summer. This portable air conditioner is design for personal use, it does not use refrigerants or chemicals to cool the air, and doesn’t use a compressor, so it only cools the area around you. The power consumption is as low as 4W, which is electrical energy efficient and more environmentally friendly.