✔Build to Last: Made of ABS, this product is wear-resistant, deformation-resistant, and durable, ensuring your long-term use. ✔Strong Function: The pure copper motor and 10 large fan blades can provide a maximum exhaust air volume of 30m³/min, Cool the interior, allowing air circulation inside the RV. ✔Easy to Adjust: You can press the button to adjust the forward or reverse rotation of the fan blades, allowing for forward or reverse ventilation. ✔The Oxford-blue dome filters out sunlight to keep the interior fresh and bright while protecting against UV rays. Details Support Rod: It allows this product to open and close at a 45 ° angle. LED Light: It can provide lighting for the interior of the RV. Application It is suitable for removing moisture, and odors from RVs. Specifications Style: Modern Color: Black Material: ABS, Pure Copper, Stainless Steel Assembly Required: Yes Number of Fan Blades: 10 Noise: 33dB Voltage: 12V Power: 3.6W Maximum Exhaust Air Volume: 30m³/min Start Method: Manual Installation Wall Thickness: 25-60mm/0.98-2.36in Opening Size: 280mm*280mm/11.02*11.02in Product Size: 360*360mm /14.17*14.17in Package Size: 38*37*14.5cm/14.96*14.57*5.71in Gross Weight: 3.2kg/7.05lbs Package Included 1* RV Roof Vent Fan Notes Please check the size carefully before purchasing.