Fragrance heating functionIf you don't want to turn on the humidifier, you can only use the aroma function. Long press 3 seconds to turn on/off the aromatherapy function (one flash means turn on, two flashes means turn off) Dual spray modeOur Hotsch humidifier has two spray pots, the spray mode can be adjusted at any time. Simply press the spray button to open dual spray mode, double press to open left spray mode, triple press to activate right spray mode. Tips: Auto off after 8 hours (double spray mode)/12 hours (single spray mode) 800ml capacity large water tankEquipped with a large water tank of 800 ml, the water humidifier can last up to 12 hours. hours under full water in single spray mode and work 8 hours in double spray mode. Instead of frequently refilling with water, you can have a peaceful and comfortable night. 2-Color LED Aromatherapy Night LightThis electric air lamp has 2 adjustable lighting modes: changing automatic color and fixed color. You can adjust it freely by the light button. Press the light button once to turn on the warm light. Press again to turn on the warm breathing light Press three times to turn off the light. It can serve as a small night light, creating a comfortable and pleasant lighting atmosphere for you. Quiet Operation & Auto Safety Shut-OffSoft, whispering ultrasonic operation is perfect for bedroom use. kids, office, spa, yoga studio, or any room in your home. This aroma diffuser automatically shuts off when the water tank is empty or low to prevent overheating and safety issues.