.Made of high-quality ABS plastic, weather proof and wear resistant.Waterproof, dustproof and energy saving. Adjustable height to meet your different installation requirements.Top mounting type saves space. Mushroom shaped roof vent , not only can the air into the car, also prevents odors and gasses from invading RV living space It would be a great to purchase it for the and quiet operation. Item Name: Type: with LED Light Input Voltage: 12V Hole Size: 118mm Size:13.5cm x 13.5cm x 10cm/5.31in x 5.31in x 3.94in Colour: white Material: plastic + metal Package Contents: 1 x RV Vent 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.