Is the security door locked with password or ordinary lock?

In terms of price, key locks are generally cheaper than password locks. A combination lock doesn't need a key, which means you don't have to worry about losing the key.

Password lock security door is a new type of security door which combines traditional security door with password lock. Compared with the traditional security door, the password lock security door is safer and faster, and has the functions of anti-pry safety tongue and indoor anti-lock. At present, there are two kinds of common password lock security doors on the market, one is electronic password lock?

Extended data:

Electronic password lock is an electronic product that controls the mechanical switch to close and complete the task of unlocking and locking by controlling the circuit or chip (access control system) through password input.

References:

Electronic password lock _ Baidu Encyclopedia