Water Drop Countercurrent Design: Through the anti-gravity technology, the water in the water flow is converted into water droplets, and then separated into mist and released into the air to achieve the recycling effect. 800ml Water Tank Capacity: LED intelligent display screen, real-time display time. It is designed with a large capacity water tank of 800ml, which can be used continuously for 8-10 hours. You can sleep well through the night without frequent refills Double Humidification Mode: Lighting mode, soft ambient light, enjoy humidification and watch the water drop back. Sleep mode: turn off the lights, continue to spray humidification, the sound of water is gurgling. Sleep comfortably with you Silent: The humidifier works almost silently, providing maximum relaxation while sleeping or studying without any unpleasant noise. Enjoy the mist all night long and take a nap. Perfect for your baby and a hassle-free night's sleep 4H power-off Protection: The humidifier turns off automatically after 4 hours of continuous use. Regular power off to protect the machine, safe and durable, and more worry-free. soothe the mood, and sleep well all night