2.5L Ultrasonic Humidifier Light Sound is a new technology upgraded, lighter than conventional humidifiers, comfortable and non-intrusive.2.5L Ultrasonic Humidifier Light Sound's ultrasonic atomization, the fog is even and fine. Aromatherapy oils can be added to the humidifier to make it more fragrant. Independent night light, light up your night.2.5L Ultrasonic Humidifier Light Sound has a water shortage safety protection device, red light warning when water shortage, stop running, prevent dry burning, high safety factor. Top filling water tank, easy to fill and clean. Transparent water tank, water level can be seen. Anti-slip bottom pad, no fear of moving slippery, maintain stability.