Portable and small design is very easy to take with you anywhere and super perfect for travel, bedroom, office, which effectively moisturizes dry skin and help you reduce skin peeling. This mini humidifier has two modes. When you press the button the first time, it will continuously spray for 6 hours. When you press again and it will intermittently spray (stop 2 seconds) for 12 hours. 500ml large capacity produces longer mist.