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The Carryon mat is a digital product for carry-on goods, which include mobile phone, wallet, I-touch, notebook, camera, flash disk and so one. It will shake and slitter the signal light to alert people who lost the marked goods or cannot find them. Seven colors represent seven different goods which is up to the users. It is a random match of user performance. For example you think the blue can represent mobile phone, and you can stick the blue bar code on it. Before stick the color bar code to the goods, the signal will be setting. There are two situations of the function.
Zhang Dingfei Ma Xiaolong