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Compass car key: In many cities, finding your car in a mazelike parking lot seems like mission impossible for many people. In order to solve this problem, we designed a type of compass car key that incorporated the GPS technology. The compass in the key will first point you the direction of your car, and then by pressing a button that activates the honk in your car, you will be finding your car in no time. Our design will provide you with convenience and efficiency in your daily life.