Hovico 500ml Premium,Ultrasonic Aromatherapy Fragrant Oil Vaporizer Humidifier, Essential Oil Diffuser Waterless Auto Shut-Off and 7 Color LED Lights

How to use? LIGHT Button Press first:turn on the LED light,color changes automatically Press second:choose one of LED light color you like MIST Button Press first:continuous mist coming out Press continuously to select the time Note: 1. Be sure to use a mild detergent if you want to clean the humidifier. 2. Don't fill water over the Max line at any time. 3. Don't switch on power when the tank is empty. 4. Clean regularly as per Maintenance instruction to avoid malfunction. 5. Per 100 ml water proposed to add 2-3 drops of essential oil.