VicTsing Aroma Diffuser 300ML Essential oil Diffuser Electric Ultrasonic Humidifier Aromatherapy Cool Mist Humidifier, Air Purifier, 7 Color LED lights and Timer Settings, Whisper-Quiet - Dark Wood Grain100% original Put this product on a horizontal position Lift up the cap of the humidifier, fill the water tank with purified water? Add drops of aromatherapy essential oil into the water tank? Connect the humidifier to power source and press "MIST" to choose your desired mode. You can press "LIGHT" to change the color of LED light.? When the water is used up, the unit will automatically power off along with "beep" sound. Imported from Singapore in