How much voltage is used for the electronic lock in the security door

Don't know if your lock can be opened? If it can be turned on, it is normal.

The electronic doorbell on the security door is generally battery-powered, and according to the different design of the security door, the No. 5 or No. 7 dry battery is generally used.

This one is actually very simple, you can remove the handle and use a flathead screwdriver.

There are often some burglary cases in the news, so the home security system must be done well, and the security door is a very important part of the security system, with the security door can increase the sense of security. The lock of the anti-theft door is the key, and the lock of the anti-theft door is one of the components that often fail, the lock of the anti-theft door is broken, and the lock does not need to be changed directly. So, how much is a lock for an anti-theft door? >>>More

Good anti-theft socks are filled with anti-rolling aluminum foil behind closed doors, followed by foaming agents, which can be filled with rock wool is good, and the cracks that are filled with honeycomb paper are not called anti-theft doors, but steel doors. What can I do, get a new one.