... is the ... the ... ,the ... the ON/OFF button,it will work just connect the ... the light on;body go after 15-20 seconds,the ... in the fan ... the water level.).Two, the water: ordinary tap water can make the humidifier to work normally, but the ... quality is hard to produce scale, every week with the ... the use of pure ... the atomizing head is dry, or often change water, to extend the ... the ...