1.all kinds of shape can be choice (round , square)

2.a lot of dimension(150*150,200*200) 6 inch,8 inch

3.Two voltage:220V and 110V to supply.

4.Many power :20W,40W

5.a lot of colour for custom-tailor

6.Big airflow and quiet.

7.Easy installation for wall.

8.speed:2100r/min or 1800r/min.

9.1 year’s guarantee..