Two spray modes and lighting modes: Press the button the first time, the continuous fog; Press the button a second time to switch to intermittent fog. Long press the button the first time to turn on the LED pilot; Press the button a second time to go to breathing light. Automatic stop and high capacity: when there is little water, the baby humidifier turns off automatically to avoid accidents and Extend the life of the device, very safe to use. With a 500ml tank, it offers up to 10-15 hours of continuous work. Ultra silent: The ultrasound humidifier works very gently. You are never disturbed by bubbles or engine noise. You can enjoy a moment of calm while you sleep, work or drive. Stay healthy: our home air humidifier provides fresh mist to eliminate static electricity and dust in the air. Adequate moisture helps relieve the nervous tension, eliminate fatigue, quickly penetrate the underlying skin and to soothe skin and dry eyes. wide use: powered by a USB cable (adapter Not