Yes. The idling design and the full-metal compartment isolation design of the lock cylinder make the locks anti-drilling and anti-prying. Built-in AES 128-bit encryption and bi-directional authentication security chip allows only authorized users to be identified, preventing technical unlocking.

Yes. Once authorized, Hizima smart key works to open all Hizima keyed locks, in an unlimited number.

The smart key cannot be duplicated. The key only serves as the medium to connect the APP with the lock and supply power to the lock. It is not able to unlock without authorization. Therefore, loss of the key generally does not affect the access security.

It takes about one or two hours for the key to be fully charged, and it generally lasts for 3-6 months after a full charge depending on use frequency and working environment. Whether used or not, it's recommended to charge it no more than once every 6 months.

It can be told by the LED indicators on the key, or the battery level displayed on the APP.

Yes, Hizima smart key can be charged with a 2A or 10A portable power supply without damaging the circuit board, battery and other components inside.