Main function: humidifier/air purifier/ diffuserOccasion: bedroom, dining room, home, living room, officeSafety guard: If the indoor humidity is too low, the evaporation will be faster, and the dry air will take the moisture in the body and make the skin dry. Moreover, stimulating the nasal mucosa can induce respiratory diseases. This air humidifier can effectively reduce indoor pollution and inhibit bacterial infection. capacity water tank, about 450ml. Ultrasonic atomization technology. Imitate the of the Mountain to spray water mist. Ultra-quiet design, the noise is less than 36dB, does not affect sleep. 2 Spray mode . With LED imitation lights. Automatically stop working when of water, prevent dry burning, safe and secure. Humidification time: more than 6 hoursInstructions: 1. In the case of connecting to DC5V, the power indicator light of the plug-in model is always on; 2. Short press the first function button to turn on the spray mode, and the default light3. Short press the function key for the second time to turn on the mode spray, and the default light;4. Short press the button for the third time to shut down;5. Long press the function button (1.5 seconds), the light will switch, the sequence: -blue -turn off the light.Timing function(The default timer is 6 hours after booting)1. Short press the timing button for the first time, and the timing will be 2 hours, and the corresponding 2h indicator light will be on;2. Short press the timing button for the second time, the timing is 4 hours, and the corresponding 4h indicator light is on;3. Short press the timing button for the third time, the timing is 6 hours, and the corresponding 6h indicator light is on.Product Name: HumidifierProduct weight: 340gLighting effect: Yellow gold, blue, colorWater tank capacity: 450mLHumidification : UltrasonicPower (W): 5wVoltage (V): 5VWater-shortage Power-off Protection: YesApplication: 21-30Humidity Control: HumidistatPower Type: USBType: Ultrasonic HumidifierShape: Classic ColumnarClassification: HumidificationOperation : Keyboard Typecolor:WhiteMaterial:ABSsize:110 x 110 x 135.5mmPackage Contents:1 x diffuser1 x USB cable1 x cotton swabOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.