Humi Hot: a healthier steam, ideal against seasonal illnesses. The Hot Humidifier Humi helps to restore the proper level of humidity in the room. It’ also perfect for coughs and colds: diffuses a healthier steam and helps relieve breathing problems. The hot steam helps it to loosen mucus and moisturize the mucous membranes, helping your baby to breathe better. Rated supply voltage: 220-240V Security System: to water depletion in the tank the product is automatically deactivated and remains inactive for a few minutes until the complete cooling of the heating unit.