The VELUX Roof Balcony solar centre-pivot roof window is a wireless solution that makes installation fast and easy. The roof window has an Roof Balconyted and silent motor. Control is simple – just click on the wall switch. And if it rains, the rain sensor automatically closes the window. Solar operation powered by photovoltaic solar cell, suitable for out-of-reach installations. Wooden core encased in moisture-resistant white polyurethane Maintenance free No visible joins where dirt can accumulate U-value 1.3 W/m2K No need to plug into a power supply, making installation even quicker and easier. Fully integrated motor which runs almost without a sound. Suitable for modern interiors Suitable for roof pitches 15 – 90 degrees Ventilation bar with dust and insect filter