.Made of high-quality ABS plastic, weather proof and wear resistant.Waterproof, and energy saving. Adjustable height to meet your different installation requirements.Top mounting type saves space. Mushroom roof vent exhaust fan, not only can the air into the car, also prevents odors and gasses from invading RV living space It would be a great choice for you to purchase it for the and quiet operation. Item Name: Exhaust Fan 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 are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.