【4-in-one air conditioner】This portable air conditioner combines four modes: cooling, humidification, air supply, and negative ionization. You can adjust the mode according to your needs. 【Large-capacity water tank】This air cooler is equipped with a large-capacity water tank and ice crystal box to ensure long-lasting and powerful cooling effect. Convenient top water filling design. 【60° rotation】The internal blades are designed to automatically rotate 60° horizontally to evenly cool the entire area. The vertical airflow can be adjusted manually for optimal cooling effect. 【Efficient cooling and heating】This portable air conditioner has a cooling capacity of 7,000 BTU and a heating capacity of 6,300 BTU, which can effectively cool an area of ​​25 square meters. 【Easy to carry】When turning off the machine, the air outlet will be manually closed to prevent dust from entering. 4 smooth-rolling wheels make it easy to move it quietly in the living room and office.