Master Lock 4400 D

Bluetooth key lock 4400D width 1.9 inches (48 mm). The key is made of 0.281 inch thick metal (7 millimeters), made of Boron alloy. Resistant to cutting and sawing Used through the mobile application Easy to use and convenient Can share the password with other books The prevention system to prevent the extension with the maximum secure protection system.
1 year warranty period.

For interior use. Compact design Suitable for use in school, athlete staff and use the storage lock.
Use mobile phones to unlock the key with Bluetooth. Or press the dedication button on the dial in an emergency case Or in the case that the phone is not with the
setting of lockers Used in the case of the phone in the locker (In use, there is no need to use wifi connection).
Can send a temporary password or permanent password to other people. Notified Entering without permission The battery warning runs out through the Masterlock Vault Elocks app.
Issue for personal use. Supports maximum use of 10 key.
The key is made of metal. The key ring is made of boron alloys.
Key rings to prevent exorcism.