keyless iphone door lock

  Advantages:   l Remote Authorized Code Smartphone Lock: by SMS, Email, Skype, etc.  l Remote Authorized Code include: Times of Enter, Valid period, etc.  l Sent Authorized Code can be cancelled.  l Smartphone set the time of delay to lock, or set lock to passage mode.  l Smartphone set a timer to make lock Unlock/Lock automatically.  l Recodes upload (lock/unlock)   The latest 2016 NFC technology. Working with NFC Smart Phone(iphone,android), NFC Tags. NFC portable device require Android 4.0 and above. Bluetooth must be Android 4.3 above IPHONE must be 4s above. Software needed for Android device. Real NFC Smart Phone Lock: no extra hardware to be added; no hardware (such as SIM) to be changed. Easy to add or delete specified user. Special anti-metal & 0.5mm thin sticker for phone withou NFC function.