Warning device for key
The invention provides a warning device for a key. The warning device comprises a power module A, a power module B, an operating module, a wireless transmitting module, a wireless receiving module and a warning module. The warning device monitors the position of the key in real time, the key can be...
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| Hauptverfasser: | , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | The invention provides a warning device for a key. The warning device comprises a power module A, a power module B, an operating module, a wireless transmitting module, a wireless receiving module and a warning module. The warning device monitors the position of the key in real time, the key can be found in time through early warning and warning, and the warning device enables the key to be found conveniently. |
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