Whole Room Cooling: Support automatic horizontal swing wind and manual vertical wind. The vertical and horizontal can swing at 80° widespread oscillation helps cool cover every corner of your room. Perfect choice to quickly cool small to large rooms including office, bedroom, and living room on hot days. 5 In 1 Mode: Air conditioner(COOL mode) is effective cooling for rooms up to 250 sq.Ft(ambient temperature and humidity may influence optimum performance), without draining in COOL Mode; Dehumidifying(DRY mode) capacity: 48L per day; Air Flow (FAN mode): 350m³/h, 2 fan speeds. And also built with a 24-hour timer & Sleep mode. Simple installation: Just need to rotate the two ends of the exhaust pipe to connect to use. We have an installation video to guide the installation.); Window kit dimension: 49.2? Warm Tips: The noise of 55 decibels belongs to the level of normal conversation, but noise reflecting off hard surfaces such as a floor or wall can make the sounds seem louder than they actually are. The quieter the surrounding environment, the louder the sound of the product will be highlighted.