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When you in darkness that you will be hard to open the door in the case of too many keys. First, this design solved it is difficult to distinguish each of the key because the Smart key cover with different shapes、colors and soft hardness between keys. Second, it is more difficult to find the keyhole so that the Smart key cover has a special luminous function. Finally, one of the most important functions of the design for some people tend to lose key situations , the Smart key cover can set time to regularly reminded position for you, and its can bind to the cell phone, while keys too far from the phone, the mobile phone will receive a message
Zhengzhou University Light Industry
Zhengzhou city in Henan Province, China