designer's own words:Category 1: Green Design for Humans In these days, an electric device is with you during 24 hours. It means that the electric device is the essential thing for your life. Even if you are out of your home, it may still be with you. How do you use an electric good outside? Solar-Tree helps charge your electric devices by saving electric power form the sun. Solar enery is the most efficient outside energy source. The solar panel collects solar energy and converts it to electric energy. Converted energy is used for the various electric devicies which can be charged. The solar panel placed top is collecting and saving solar energy then gives electrocity into the socket from main body of Solar-Tree. -Design benefit You might miss an important call, when you swim or ten your skin at the beach, because of out of the battery. but You do not have to worry anymore through portable Solar-Tree. 1.Anyone can easily carry Solar-Tree outside. 2.Solar-Tree looks like a cane so that it is easy to stick in sand or soil. 3.Solar-Tree may solve your problem at the beach. 4.Solar-Tree is permanent.