Features[Multifunctional Air Cooler] A combination of air conditioner cooler, desk fan and air humidifier. It is equipped with 3 speeds, so you can choose an ideal speed to cool you down. The wind direction can be adjusted. With the latest evaporative atomisation cooling technology, you can keep yourself away from dry air and enjoy the mist.[Large Water Tank] You can add water or small ice cubes in the water tank. A full tank of water can continuously keep spraying for 3 to  8 hours (depending on the speed of fan ). The waterless indicator will flash when the tank is dry.[3 in 1 Multifunctional] It is not only a personal air cooler, but also a desk fan, air humidifier. You can use the small evaporative air cooler all year round, cooling you in hot summer and humidifying the air in dry autumn and winter. keep yourself away from dry, hot air and enjoy the mist.[Portable & Power-saving] We designed specifically this lightweight air conditioner fan for individual use. It is easy to carry and not taking up space space, great for bedroom, office, dorm, trip, etc. Enjoy the coolness and no longer have to worry about the electricity bills. Just a few cents a day.The fan blade cannot be lowered for a long time, otherwise water leakage might occur.  SpecificationsMaterial: ABS plasticColor: GreenInput: 5V 1APower: 4WUnfolded size: 122x108x142mmNet weight: 450gPackage Included: 1 x air cooler, 1 x USB able, 1 x instruction