How to limit access to an office / room / room, in short to any room where there is a door without laying cables and additional installation of an electric lock?You can do it yourself with a biometric lock ZKTeco AL20B.

  The lock is completely self-contained. Powered by 4 AA batteries. This eliminates the need for additional wires to provide power. Battery life lasts for about 6,000 openings, which equates to the 1st year of moderate use. When the batteries start to run out - lock beeps, warning of low charge. In case of a full discharge, you can open the lock with a mechanical key. So that the cylinder under the mechanical key does not was in sight, it is hidden under the handle. This eliminates direct key access.

The lock is controlled using a mobile application or a built-in touch keyboard. Advantages of the castle: - can store up to 100 users in memory - the user can pass a fingerprint / password check - supports random password function (Users can enter any number of random digits before or after the correct six-digit password. For example: if the correct password is 123456, the random password can be 89123456807, 1234562363, 389123456, etc.) - activation of the free passage mode (if the room needs unhindered access during the day, the castle remains open) - activation of the lock mode (if you don’t want you to not be disturbed during the day, then you can press the switch on the inside of the door that will prevent ordinary users from entering the room. Only a user with administrator rights in the lock can enter the room)

- has a flip handle and tongue, which makes it universal for use with doors having different directions of discovery - has several ways of backup opening: using a mechanical key or crown 9V - premium design - Bluetooth 4.0 ZKTeco AL20B supports bluetooth connection for working with ZKSmart Key mobile application.Application features: - adding users using a mobile application - setting access control rules for users (at what time can the user have access to the door, for example, from 08:00 to 19:00 on weekdays Mon-Fri; for what period of time access is allowed, for example, from 04/04/2020 - 02/26/2020) - View reports of user passages through the door - low battery lock notification - activation of the free passage mode - generation of a temporary password with setting the validity period from 1 hour to 4 days (password can be sent to the user via facebook or email) Below we attach for you a video instruction on setting up and installing the lock.