Double-U / Public Design

This design is a public umbrella rental system, use along portable travel card to complete the work on loan, borrow and return is a one-way inter-related circulation; when return the umbrella,it will slip into the forefront by way of the rail track taking advantage of the umbrella place,users also can see outside through the screen to know the weather to decide whether borrow the umbrella or not. In addition, part of the umbrella also has security function to provide insurance to carry out the measures.