Create a calming sleep environment with the Vicks Sleepytime humidifier. It has a 2.3-litre water tank that creates cool mist for up to 24 hours, complete with settings to customize the mist level and direction of the spray. And with its colour-changing lights and built-in essential oil tray, the unit also functions as a night light and diffuser. | Vicks Sleepytime 3-In-1 Ultrasonic Cool Mist Humidifier - White