BENEFITS OF THE ESSENCE HUMIDIFIER WATER STEAM Improves breathing and prevents eye and skin dryness. LIGHT Helps create a relaxing environment. You can choose between 3 light modes: «no light», fixed color (tone to choose) and multicolor mode. ESSENCES They reduce stress thanks to their ultrasonic system. It is recommended to use 2 ml of Essence. SILENT Thanks to its ultrasonic system. DURATION More than 8 hours of continuous diffusion per water tank (150 ml).