As we know there is not better light than the SUN Light, so it is very important to plan an environment very well illuminated where there is a good balance between natural light and artificial light. To make this possible today we are able to apply to our fittings the new domotic systems in order to adjust the lighting in relation to our life and working needs.For example, the application of Glow Sensor function permits to maintain a perfect balance between natural and artificial light, with a self-regulation of the light intensity. This accessory in a the long term can also give economic benefits, assuring an energy saving until 70%.