Made of plastic material, to chemical and thermal .Low noise, giving you a quiet space.Internal mesh structure keeps unfamiliar objects out.Universal roof vents for easy installation and operationSuitable for RV, camping, RV, tugboat, yacht, caravan, yacht, etc.Rainproof design: The air outlet is installed downward to prevent rainwater, car wash water, rainwater and exhaust.Name: RV side air cooling vent ventilation fanRated voltage: 12vPower: 15wProtrusion from the vehicle body: 29mmOpening size: 121x61mmApplicable models: RV/trailer/caravanHigh-power fan, 8500 rpm, 4 bare wires at the terminal, power 15WNote: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 UseColour:BlackMaterial:plasticPackage Contents:1 x Exhaust FanOnly 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.