You can easily open and close the hood with a manual riser knob.Motor made of pure copper core, reliable and highly efficient.
Turn the handle clockwise to open the fan cover;turn the handle counterclockwise to close the fan cover.
The Air In/Out button function uses the fan's air in/out buttons to reverse the direction of the fan. To change the direction of the fan, simply push a button to make airflow into or out of the RV.
With LED,Press the light button to turn the built-in LED light on and off.
Bidirectional air exhausting,Water proof and sound proof, hard to age,Equipped with stainless steel screen,Fan with 10 blades, running more stable and more quiet