Made of plastic material, resistant to chemical corrosion and thermal corrosion. Low noise, giving you a quiet space. Internal mesh structure keeps unfamiliar objects out. Universal roof vents for easy installation and operation. Suitable for RV, camping, RV, tugboat, yacht, caravan, yacht, etc. Rain proof design - Install the direction of the air outlet downward, rain proof, car wash water, rain proof, exhaust both Name: RV side air cooling vent ventilation fan Rated voltage:12v Power:6w Protruding body:29mm Hole size:121x61mm Applicable model:RV/Trailer/RV Low power fan, 5000 RPM, The power is 6W Note: Installation guide not included, we strongly recommend you seek professional installation. Please check as much as possible to make sure the item is what you need. Tips:The product may be updated constantly,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use. Colour:A:Black Material:Plastic Package Contents: 1 * Exhaust Fan Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.