De - sign / sign

Taiwan used to store a brilliant of signs. Although the formation of a special culture.
But also a waste of energy and dangerous.
De - sign is a new kind of device.
The main power comes from solar energy.
Save electricity at night to provide
light - emitting and filled the air functions.
De - sign not only are energy - saving and portable.
At the same time,We also beautify the environ ment.