1 support QR code lock mobile phone to open the door, generate a smart door card with one key, no trouble of forgetting to bring the key.
2 to replace the traditional keys, can be used as hotel occupancy, rental housing, office leasing and other key management tools.
3 It can be used together with the "QR Master APP" to accept the QR code keys sent by the hotel and check in easily.
2 to replace the traditional keys, can be used as hotel occupancy, rental housing, office leasing and other key management tools.
3 It can be used together with the "QR Master APP" to accept the QR code keys sent by the hotel and check in easily.
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