Simple one-touch operation makes it easy to turn on and off. Essential oil diffusion uses ultrasonic technology to disperse a fine mist of water and essential oils, filling the room with a pleasant aroma. Features a built-in LED light that changes colors, creating a soothing visual. Automatically turns off when the water level is low, ensuring safety and preventing damage to the unit. The water tank typically holds enough water to run for several hours, reducing the need for frequent refills.