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John D
John D, BS Degree in Engineering.
Category: General
Satisfied Customers: 9666
Experience:  Math, science and 25 years experience in computer programming
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what do I call & where do I get an retrieval thing

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there's an electronic gadget you attach to something & if you lose that, say your keys, you press a button & it makes a noise so you can find the thing. I think.

Here is one by Sharper Image from eBay:

and another bit more sophisticated one (gives audio and visual signals)

Hope this helps.

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