Made of plastic, weather proof and wear . Fits for RV, , , trailer, boat, yacht etc. Environmental protection, easy to clean. Applicable to the ventilation exhaust fan of the side air outlet of the trailer. Rated voltage:12V Type:4000RPM Rated current:Strong wind 0.3A Exhaust air volume:Strong wind 3.3 m/min Speed:Strong wind 4000 rev/min Note: Installation guide not included, we strongly recommend you 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:As Shown Material:Plastic Package Contents: 1 x Car 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.