Title: Xiaomi Mijia Humidifier 4L Large Capacity Air Purifier 300mL / h Atomization Volume Silver Ion Antibacterial 99.9% Antibacterial Water Tank Features: 300mL/h fine mist.Built-in ceramic core atomizing sheet, cooperate with baffle to block large water particles, ceramic core atomizes water into micron water particles. 4L large capacity.The 4L capacity is equivalent to 16 bottles of 250ml mineral water, which can be humidified continuously for 30 hours, so there is no need to add water frequently. Silver ion antibacterial 99.9%.Silver ion antibacterial material is used inside the water tank to ensure the health of water storage. Running softly without disturbing sleep.The Mijia Humidifier 2 uses a low-noise fan, and the sound does not exceed 38 dB(A) during operation. Water shortage protection device.Built-in water shortage protection facilities, automatically detect the water level, automatically stop working when there is water shortage, and protect the machine. Universal