10 Speed Remote Control. Smart remote control & temperature monitoring The upgraded LCD remote control has a large-screen display, which not only can clearly display the wind speed, but also adds the function of real-time monitoring of the temperature inside the car; and there are two display modes of Fahrenheit and Celsius, making you more comfortable to use; 2. Intelligent rain sensor & quality fan blades When it rains, the ventilation fan cover will automatically close, effectively protecting your RV from the rain. At the same time, the fan blade structure can make the air quality fine and even, ensuring the maximum air volume while minimizing the noise 3. Translucent design & low noise The high-strength translucent smoke cover can reduce harmful ultraviolet rays, prevent these ultraviolet rays from penetrating your RV through the vents, and can shine bright light at the same time. Strong ventilation, quiet work and low noise.