How to choose intelligent door lock?

Jul 13 , 2021

Now smart home products have been gradually popularized. Many people, especially young people, love smart home products. one of them is smart door lock. You don't need to take the key when you go out, and you don't need to take the key out when you go home. It's easy to open the door, and you're not afraid to lose the key any more. It's really convenient.

Nowadays, there are many kinds of intelligent door locks on the market, with prices ranging from tens to hundreds of dollars, so the functions are more abundant, and consumers don't know how to choose.

Here are five points to pay special attention when purchasing smart lock:

1. The lock cylinder should be grade C

The level of lock cylinder is divided into three levels: A, B and C, which determines the protection ability of the smart lock. Among them, level C has the highest security. At present, the lock cylinder with the highest safety factor won't be stolen unless it is damaged by violence. If the thief wants to crack it, it will take a few hours to complete it.



2. Stainless steel lock or zinc alloy lock is recommended

There are many kinds of intelligent lock materials on the market, such as ABS aviation plastic, aluminum alloy, stainless steel, zinc alloy, etc. it is recommended to choose stainless steel or zinc alloy and other metal materials, which have high hardness, smooth and beautiful surface, anti violent removal and corrosion resistance. Copper is also good, but the manufacturing process is complex, the development cost is high, so the price is higher.

3. Semiconductor fingerprint lock head

There are mainly two kinds of fingerprint head, semiconductor fingerprint head and optical fingerprint head. The cost of optical fingerprint head is cheap, the sensitivity of optical identification is low, so it is not recommended to buy it. Some duplicated fingerprints are likely to be able to unlock, and the safety factor is far less than the fingerprint lock supporting semiconductor fingerprint head. The sensitivity of semiconductor fingerprint head is more accurate, and only the living fingerprint can be identified and unlocked, so there is no need to worry about the problem of fingerprint being copied and unlocked.

4. With virtual password function


The function of virtual password lock is to prevent criminals from following and expose their real unlock password. The function of this function is that you can add any number before and after the unlock password you set, or even at both ends, to open the door. For example, if the correct password is 123456, you can enter 9912345678 to open the door. Through this form of input, the thief can not grasp the correct unlock password, prevent the password easily leaked out, and further effectively protect the real password.

5. Other additional functions can be selected according to their own needs:

Now there are more and more functions of intelligent door lock. You can decide which function is necessary according to your own needs. For example, the anti prying alarm function can help your door lock to send out a high tone alarm when it is forced to pry. Or when the wrong password is input more than a certain number of times, the alarm will prompt that the door has been locked. But there is a special reminder that face unlocking, iris unlocking and other functions are not perfect now, so don't try, otherwise the criminals can unlock with the self photos of your facebook message, which is very unsafe.


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