Function description:

1) Decreases radiation, protect eyesight

2) Activates the physical strength and prevents the diseases

3) Removes the smoke dust, refresh the air

4) Has negative ion and ozone function

5) Adopts negative ion technology: it extremely purifies the air and removes toxic
　substances including the dust and odors mold

6) Broad spectrum and efficient ozone: ozone may kill virus, and will be deoxidized
　into oxygen in the end without secondary pollution, which the chemical agents can not achieve

7) Effective prevention of air-conditioning diseases: negative ions may 

 improve metabolism. It maintains a fresh air, relieves fatigue and effectively