device for public lighting based on leds, bench and place bike with taken to delegate the task usb mobile devices, energy storage and power preparation for device wi fi.all the devices are powered by a photovoltaic panel integrated into a scatolato steel corten that serves as a basis for the lighthouse.the bench is made by a vibrated concrete underpinning of lists of ipe wood and teak.the bike is the continuation of the scatolato in corten facing in front of the bench and is placed at the side of the same.at the top of the bench are positioned doors usb useful for recharging of mobile devices such as smart phone or tablet.under the bench is arranged in a box for the accumulator of energy while the device's wi fi can be positioned near the lighthouse in the box.