Welcome to xiaomi mijia Store AttributesSize: 16*10*24/ 6*3*9: 3600mAh (KC certified)Usage time: 4-14 hoursNumber of gears: five gears About the product1, Fan elevation attitude adjustable;2, Mute fan blade;, four wind velocity plus 5 pure wind speed adjustable;, Digital display;5, 3600 mAh large ability battery, long life;6, the bottom of the evening gentle design;Instructions for useFan function: quick press the key to show at the fan, brief press the foremost again to regulate the wind velocity "1-4 gears, five gears of pure wind", brief press the major back to shut the fan above cycle;Night light: press the first delicate swap to begin the first light, press the second one smooth change to start the second one light, press the 0 gentle substitute to shut the light;Display function: wind quantity kit demonstrate "01-05", energy display "01-100%", low strength demonstrate "LO", permanently charged exhibit "100%". "100%".