Do I need to change the battery for the Bluetooth door lock key?

Bluetooth lock can be used normally with 4 5th batteries 1 year or more, and the user will be reminded to replace the battery when the battery is almost used up.

Bluetooth smart lock is a dual-system Bluetooth smart lock, which is mainly used in serviced apartment, apartments or hotels. It can support both Android and iOS dual systems. It is based on the replacement of traditional mechanical keys by mobile phones.

Door-opening products can control any number of doors through APP software, so that you can completely throw away your keys, and you can also control your family's access through your mobile phone to get rid of being trapped.

Embarrassment outside the door! Based on AES encryption, its security level is equivalent to online banking, and there is basically no possibility of being cracked. When using the mobile phone to unlock, you don't even need to take it out, just set it in the mobile phone.

It can automatically sense in the range, much like the keyless entry of a car. You can also view the unlocking record at any time on the mobile APP to monitor the people entering and leaving. You can also send the door opening password remotely, and you can send the password.

Secondary password or limited password (3-day password is generated on the mobile APP and will expire after 3 days) or send a permanent password.

Note: Will there be the following concerns? First, worry about losing your mobile phone? Don't be afraid, enter the login account in another mobile phone, and the unlocking authority in the original mobile phone will be closed; Second, worry about mobile phones.

No electricity? Don't be afraid, set a one-button password in the morning, and the mobile phone will be able to enter the door within 1 minute; Third, worry about breaking the network? Hengda Bluetooth lock doesn't need a network, and the disconnection is not affected, so don't worry.

Hacker attacks, while taking care of the elderly at home in the future, keep the mechanical key;