Online brass door knob with lock brass on sale for wooden door

Smart door locks are the entry-level of smart homes. Even if there are no other smart homes such as dishwashers and sweeping robots, best electronic lock can be regarded as the most widely accepted smart home. But how should smart door locks be selected? What are the guarantees for safety?In fact, when we talk about smart door locks, we mainly refer to smart fingerprint locks. Most people worry about whether the smart fingerprint lock will have the chip damaged and cannot open the door. In fact, there is no need to worry.The traditional key lock is a mechanical lock core, which is opened by rotating the key. The smart fingerprint lock is also a mechanical lock cylinder, but it adds a chip control panel, integrated key, fingerprint, password, temporary password, mobile phone Bluetooth, card, a total of 7 unlocking methods, so there is no need to worry about opening the door.Even if the chip is damaged, the lock can be unlocked normally. The key on the outside of the door and the knob on the inside of the door are opened by mechanical rotation, which is the same as the traditional lock.The safety consideration is the lock cylinder. The best smart code lock is the in-line C-level lock cylinder. Both traditional locks and fingerprint locks are available, so they are the safest.Based on the above points, several smart door locks recommended are:Fuyu Smart LockThe electromechanical integrated smart lock cylinder and the German C-level copper core lock body used by the smart door lock Black Warrior achieve the bank-level explosion-proof and anti-pry function. When the circuit is connected from the outside, the lock cylinder cannot be controlled. That is to say, it is impossible to open the lock from the outside using electromagnetic, that is, people often worry that the "small black box" cannot be opened.There are 8 sensors in the lock body of the Black Warrior, including the front handle detection sensor, the explosion-proof force dismantling sensor, the biological living fingerprint sensor, the door seam status sensor, etc., which can sense the status of the door lock. Any abnormality in the door lock will sound an alarm Instant feedback on the phone.There are six ways to unlock the lock. If someone temporarily wants to enter the house while I am away, you can also set a temporary password. No matter what method is used to open the lock, instant records can be received on the mobile app. You can also enter an emergency fingerprint, so that if you are forced to open the door, after entering the emergency fingerprint, the family can receive an alarm immediately, which is very safe!

Now more and more people are using smart door locks because of convenience and safety. However, the price of smart door locks is not small compared with ordinary door locks. The price of ordinary door locks ranges from dozens to hundreds of them. The minimum smart door lock is several hundred, good even several thousand, which is worth the price of a mobile phone. At this time, many people will have a doubt, is this smart door lock worth our purchase? How many years can a electric deadbolt lock last? Today, the editor will reveal the answer to everyone!How many years can a smart lock be used? The answer is finally here! It's 13 years! A high-quality smart door lock can last for 13 years. Because a high-quality smart lock needs to undergo 100,000 screen button simulation tests and 100,000 fingerprint head press simulation tests. How to start with 100,000 detailed calculations? If we open the door 20 times a day, then 365 days a year can be used for 13 years.In other words, a smartphone door lock lock is installed in the home, which can not be changed for 13 years. This is a lot more valuable than ordinary door locks. If 13 years are counted in this way, the life span of ordinary locks is far less than that.So, how can we find a high-quality fingerprint smart lock? If you choose low-quality smart locks in order to save money, not only will your home safety be not guaranteed, but you will also face the embarrassing situation of changing new locks. Therefore, the purchase of smart door locks must be guaranteed by choosing big brands! For novices, you can consider CHPK Smart Locks. Every Smart Lock is tested and tested repeatedly before it can be delivered to the user. It is safe and reliable.

Nowadays, people lose their keys for various reasons and cannot get in when they return home. They don't know how to open the door without a key. If they want to let the locksmith company open the lock, they feel that the lock cylinder is wasted. In fact, as long as you master the unlocking skills of some inner door lock, you can open the door even without a key, and you don't have to worry about having a key again.Residential door locks are one of the important guarantees for home safety. However, nowadays, people lose their keys for various reasons and cannot get in when they return home. They don't know how to open the door without a key. If they want to let the unlocking company open the lock, they feel that the lock cylinder is wasted. In fact, as long as you master the unlocking skills of some door locks, you can open the door even without a key, and you don't have to worry about having a key again.How to open the door without a key? What is the unlocking technique of the door lock?How to open the door without a key? First. Fill the key slot Unlocking process: Lee took out a set of unlocking tools, including a small box containing several tin foils. "This method has been in existence for a long time, and it is common for unlocking masters to use it. Of course, thieves also understand this technique." Lee took out a lock, then put the tin foil in a special tool, and inserted B through another tool. Level lock cylinder. Then fix the lock cylinder on a small vise to simulate the unlocking process. I saw that the lock was smoothly opened by shaking it from side to side for about 1%. The reporter found that there was a groove on these tin foil strips with seven or eight small cracks. According to Lee, these grooves have been polished before. "Because the tin foil has a certain degree of hardness with the help of a key-like tool, it can be inserted into the keyhole." Lee said, "This unlocking method uses tin foil to 'fill out' the key slot, which is equivalent to making a one-time key on site. Therefore, the unlocking process is effortless, just like using the original key. This method can be opened even when the A and B lock cylinders are locked and not locked." Second, hit the lock cylinder Unlocking time: about 30 seconds Unlocking process: Lee first inserts one end of a key into the Class B lock cylinder, and then hits the other end of the key with a hammer. During the tapping process, he will try to twist the key. The reporter found that the lock cylinder was opened after only 6 hits with a hammer, which took about 30 seconds. Lee told reporters that this method of unlocking mainly uses the design loopholes of the A and B lock cylinders to hit the lock cylinder marbles to unlock the lock. For anti-theft doors with A and B lock cores that are not locked, a thief can open it in just a few seconds. If it is locked, the time for committing the crime will be extended several times or even longer. In addition, this unlocking method will not damage the structure of the lock, and citizens can open the door smoothly with the key after returning home. Third, insert and unlock the bolt Unlocking time: 6 seconds Unlocking process: What the experiment needs is a made rectangular plastic card. Li Qiang first inserted the card into the gap between the door and the door frame, then slid down to the position of the lock tongue, and then smoothly opened the door-the whole process took 6 seconds. "This method is a relatively primitive unlocking method, but it is more common. The incidents are more common in old-fashioned residential areas. The thieves mainly target wooden doors and old-fashioned anti-theft doors." Lee said that this unlocking method is suitable for the unlocked state. The lock core or the safety plug cannot be successful. What is the unlocking technique of the door lock? Chewing gum unlocking: The thief stuffs the chewing gum into the keyhole, and uses a tool to push the softened gum into the keyhole. Because some old-fashioned lock cylinder marbles are of average quality or short in length, after being "squeezed" by chewing gum, the thief inserts the lock cylinder into the lock as a tool to open the lock. Crochet needle unlocking: Insert a special crochet needle into the lock hole to simulate the key unlocking principle, and unlock the lock by adjusting the position of the lock cylinder pin. Cat's eye unlocking: Pry open the "cat's eye" on the anti-theft door, use a "three-section stick" and other tools to penetrate the "cat's eye" into the room, and press the built-in door handle or lock of the anti-theft door to open the door. Experimental conclusion: the more complex the key structure, the more difficult it is to open the lock. After that, Lee also used the super-B-class lock to fill in the key slot and hit the lock cylinder, and found that it could not be opened even with the best effort. The reporter saw that the shape of the Super B-class lock is more complicated. In addition to the marble structure, there are special grooves that make it difficult to pry open. How to open the door without a key? The several unlocking techniques recommended above are very useful. If you forget to bring the key, you can try the several unlocking techniques recommended above. What are the unlocking techniques for door locks? Although these unlocking techniques are very effective, it also shows that this kind of door lock is insecure. We can open it by ourselves, and the thief can open it even more. So everyone is still in normal life. These issues need to be considered.

Just read an article about biometric door lock, below I attached with the content and comparison with FUYU lock:After moving to a new house, I was locked out of the door twice in half a year. I had to wait for my wife to come home to save me. So the idea of buying a fingerprint lock came up. I read 40 or 50 articles about various locks before and after, plus the latest purchase. Experience summary part of one-sided feelings.First compare traditional locks and smart locks. In contrast, smart locks have only two advantages: they look very advanced and they are very convenient to use. The disadvantages are more:1.The smart lock with more unlocking methods theoretically has a greater chance of being stolen, just like the keyless entry of a car. Copy fingerprints, small black boxes, mechanical keys, etc.; while traditional locks can only use mechanical keys, and the highest-level mechanical keys on the market require professional machines, which are generally not matched by the masters with locks.FUYU biometric door lock: Maybe he needs to read more articles or go to the fair to see more smart locks. With the rapid development of technology, the smart lock are getting more and more security. Such as our FUYU keyless door lock, because we adopt FPC fingerprint sensor, which makes the fingerprint not able to be copied, as well as the small black boxes, which is actually means Tesla coil interference unlock, fuyu digital door lock also have inspection regarding this issue and have got quality test report by authoritative organizations.2.Smart locks consume power. Powerful and poor-quality locks consume fast power. You need to change a set of batteries at the earliest in about 20 days. The mechanical lock is set once and for all.FUYU digital lock: most of the digital lock needs a lot of power consumption is because of they need lithium battery, and the lithium battery is also not safe under certain conditions, so FUYU digital lock only use Alkaline battery, which is cost-effective and longer life(normally can be used for 1 year depending on the frequency of usage)  3.Smart locks are afraid of failures. Smart locks are counted as electronic products, but there are no electronic products that do not make mistakes. When the smart lock crashes, it may not be opened and can only be demolished, or it may not be locked and can only be replaced. The smart lock embedded module has one more electronic module than the traditional lock, so the stability of this part must be considered when purchasing. Even if the traditional lock fails, people with a little hands-on ability can repair it by themselves because of the simple structure.FUYU digital lock: the complete lock is made in house, including the trim die-cast, lock case, cylinder, and even the circuit board. All the accessories are under strict quality inspection to ensure the stable performance.By instance, if the lock have problem, and even without battery, only use a key could open the door.4.The overall weight of the smart lock. People who say that the heavier the better, I can only laugh without saying a word. This is why the domestic cars have been lengthened and the speakers have added a lot of unnecessary iron. My home has a single-hole lock body, and the smart lock manufacturer I bought this time has stopped producing the single-bolt lock body, because the single-bolt cannot support the weight of the smart lock, and there are often problems.FUYU keyless door entry lock: We do agree with this opinion, and it’s not right to judge a smart lock by weight.After all, it’s good to keep an eye on each aspect of the smart deadbolt lock, such as the life cycles, securities etc. And we hope you all find your idea smart lock.