Ultrasonic diffuser and humidifier with two diffusion modes: continuous cycle and an alternating 10-second diffusion cycle with a 10-second pause. Covers up to 30 m² with a tank capacity of 150 ml. Features a light effect with changing or fixed light function and a selection of light colors. Provides up to 8 hours of continuous operation when the tank is full. Diffusion can be programmed for 1 or 3 hours, and there is an automatic steam shut-off when the water level is low. Produces cool mist and is designed for use with water-soluble essential oils. Equipped with three non-slip feet and includes a USB Type-C cable.