Support Languages: Chinese, English; Support function: 1. Support for multiple languages 2. Program lock 3. Business card share 4. Whisper 5. Intelligent door lock 6. Link share 7. Net file share 8. Start hide program; Wireless distance:1.5cm; Carrier frequency: 13.5MHz; Waterproof rating: IP68; Ring code number: 11 size(INNER PERIMETER 66mm); Battery capacity: no need batteries
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