Features: 1. inside the mahcine is Integrated ultrasound movement 2. the humidification grain is small ,diameter is only 1-5 um 3. automatically control,show the current humidification 4. automatic water in-put,has water overflow protection 5. the stones of the fogging generator can be replaced,the repairing work is very easy and convinent 6. very good humidifting effection,the highest humidification can reach 99% 7. in botton of the machines,there are universal wheel,can move freely
