2L Ultrasonic Quiet Air Humidifier with 7LED, 3 ModeS, Auto Shut Off

Suitable for medium-sized rooms, maximum 20m�. Two-litre capacity works up to 8-10 hours? Touch button design for easy operation? Seven colours to change or keep in one tone: light yellow, red, sky blue, green, dark blue, purple and lake blue? Three adjustable mist modes (low, medium and high) to spread the humidity effectively. Low working noise(?50dB), normal talk is 40-60db? Automatic shut off when water runs out, indicated by red light? Assembly required.