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There are more and more countries facing the same is sue aging of population.
In the meantime, senior citizens get lost has become a risk in the societies. Here comes a solution to solve the problem GPS neck lane for senior citizens only. Specifications:width:1.5cm length:2.5cmthickness:0.3cm simple to use. Positioning and setting only need once. A solar battery is built-in and needless to replace.
Automatic recharge can be initiated by a faint light.
Press the front button: the built-in sound guides the direction towards home.
Press the back button: the built-in sound tells home address helping a stranger take the old citizen home.