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.

Just read an article about biometric door lock, below I attached with the content and comparison with FUYU lock:

FUYU 6638B Visible door-viewer camera Automatic Lock Smart​, surface anodizing process, high-strength anti-oxidation and corrosion resistance, which is unmatched by normal electroplating; the front panel is embedded with a high-definition camera and a built-in doorbell, and the rear panel has an ultra-thin large-size HD screen.

There are many different types of locks currently on the market, and the common one is mechanical locks. However, with the development of technology, fingerprint locks are more popular in many people's homes. So which is better, mechanical lock or fingerprint lock? Fingerprint lock is mainly controlled by chip. Is it safe to use fingerprint lock? How to choose fingerprint lock when buying?

The smart lock industry is a very competitive one because there are a lot of options of companies in the market to choose from. As well the smart lock products that are advertised also a very extensive group. But in the mist of all the market being over saturated there are those companies and products that are above all the other.

Nowadays, smart electronic locking systems are in huge demand from the hotel owners. With this new trend, all the door lock manufacturers have started building smart door lock systems for hotels and other establishments under the hospitality industry.

Almost all 5 stars hotels no longer use mechanical keys but use some form of electronic key, most famously the RFID card. This is because of the convenience that it created for the user and for the hotel. They are easy to keep track of and are easy to manage and use, they normally cause many less problems that the mechanical key, it overall creates a better experience which explains why they are so popular. There are a professional hotel door lock system manufacturer that goes by the name of Fuy

Any locking system beyond the old-style metal door lock ​and a key mechanism will integrate some kind of technology. And each option comes with its benefits and limitations. While learning about some advanced hotel door locks technologies let me first briefly introduce you to RFID (Radio Frequency Identification) which is incorporated in today’s digital door locking systems.

Most commercial doors do not come with the security improvements necessary to make them as secure as they can be. Most commercial door locks can be bypassed in minutes by nearly anyone wanting to break into a business. To improve your commercial door security, a few of the things to do are the same as those to reinforce a residential door, but many are unique to commercial / business doors.

According to the smart lock consumer survey, safety and convenience are the needs of people's attention compared to the needs of home automation control.

In this case we are talking about the digital door locks. This product makes it much easier for a house owner to enter their home and it’s also very comfortable and safe. But these are not the only advantages, now we will make a list that will definitely convince anyone to acquire this product.
No need for mechanical keys: the problem of forgetting or losing mechanical keys will no longer exist because with this type of lock there is no need for a key at all.

Smart Cabinet locks like Fuyu Hardware go work utilizing an electronic lock. These smart personal electronic cabinet locks can be accessed by that particular person or specified trusted individuals. In the world of the smart electronic cabinet system, get Fuyu Hardware, which is an electronic locking framework intended to keep your product secure consistently.