So far well as from the lighting industry to know us more in the field of photovoltaic or other renewable energy systems. But due to the fact that LED technology can save a lot of electricity, this technology fits perfectly with us into the concept. Our lamps and lights have a life expectancy of more than 35,000 hours which is about 4 years and would mean that then similar to a photovoltaic module then go back with the performance, but not just assume.