3 in 1 air cooler 100% whole sealed PCB box Beautiful,morden design cooler 55L big water tank 3 colors: ... : air cooler, humidifier and air purifier2. 100% whole sealed PCB box for good pretecting, better position, far away fromwater splash3. Big ... .Beep sound reminder 17.Wide range of air output 18.Drawer style water tank, detachable filtration mesh 19.Energy saving, high-efficiency ...