Features: Using polymer mist technology to allow moisture to diffuse in the air, so that no water droplets are returned to wet the tabletop. Decibel below 30db, zero radiation, no stimulation, the elderly, children can use. The spray volume is very large, reaching 35ml/h, which can quickly reach the relative humidity requirement. It can work wherever USB can be plugged in to increase the convenience of mobility. Suitable for larger rooms, living rooms, bedrooms, cars, baby rooms, dormitories, etc.