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This concept Sketchpad can be used as a solar collector, curtain or a charger besides its function of LED Sketchpad. The work area can be pull out like a Scroll. There is a Solar Panel on back to support the LED screen and Store the spare electricity at the same time. When spreading, it works as a sun shade, and the area of solar energy absorption is increased . The sketchpad can be used at home or in a car for shading and drawing.
Wu Xi, China
Mr. Hao Huang
Wu XI, China
Hao Wang Jing Lu Jian Gong