How to Use Button Functions: ON/OFFMODE:Normal &SleepSPEED:Lo/Med/HiTIMER:1-12H Timer OffCOOLING:Water Pump WorkSWING:Oscillating Touch Control Remote Control Indicator Light Display Sungdogin Evaporative Cooler Stronger wind than ordinary fan and lower electricity cost than portable AC When the weather is not extremely hot,Sungdogin evaporative air cooler is a great choice.Not only strong wind, but also a large blowing area, more suitable for family use.You can also add water and ice box into the tank to increase the cooling effect, while increasing a little air humidity.When it is extremely hot,You can use AC and cooler together, it will make the wind blowing out cooler, also to increase the circulation of air in the room. Avoid the problem of dry air with air conditioning. Strong Wind:1765 CFM Large Water Tank:5.3Gallon Large Blowing Outlet:φ12-inch circle air outlet Low Electricity Cost:Max Power 100 Watss Space-saving:W15*D11*H30.7 Inch Details Show Top Filling Design Water is filled from the top, and you can see whether the water is full filled through the water level observation port. Also, Four ice boxes (included) can be placed in the top space to enhance the cooling effect. Cooling Principle It is the principle of heat absorption through water evaporation. Water flows through the wave-shaped pad, absorbing more heat .So it does not replace an air conditioner in the extremely hot summer days.Tip:cooling pad can be cleaned and reused. Up and Down Wind Adjustment In addition to the oscillation,this cooler fan also has two sections of manual wind direction adjustment up and down. It can meet the needs of more uses. Please note: Due to its own gravity and blowing wind, the vent will not stay up for a long time if you adjust the air outlet to blow upward (careful purchase if you mind) Drain for Cleaning If you don't need to use the cooling fan at the end of summer, you need to drain the remaining water from the tank through the drain to dry it out. Avoid storing the remaining water in the tank to create bacteria and dirt