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How to Choose a Fingerprint Smart Door Lock?

July 07 , 2023

How to choose a fingerprint smart door lock?

Now more and more people have installed fingerprint locks and fingerprint locks are becoming more and more intelligent. However, due to the complexity of the components and various processes, it is difficult for everyone to identify how to buy them. As a result, fingerprint locks have been controversial. Some people say it is convenient and practical, some people say it is not safe. Is the fingerprint lock really convenient, or what?

How to choose a fingerprint lock


01 lock cylinder

Lock cylinder: A class C lock cylinder is preferred, with a high anti-theft coefficient.


02 lock body

Lock body: The lock body is made of stainless steel, which is safe and reliable.


03 Material

Shell material: choose a metal shell, such as Shangu 304 stainless steel fingerprint lock, and the main color is electroplated coffee copper. 304 stainless steel is integrally stretched and formed, rejecting welding and splicing; durable, corrosion resistant, not easy to oxidize, surface not easily damaged, strong fireproof and anti-prying function, and long service life. Do not choose plastic or miscellaneous aluminum shells, no matter in terms of durability or texture, they cannot be compared.


04 password panel

Password panel: The part of the fingerprint lock where the password is input, its material is preferably tempered glass. Try not to choose injection molded (plastic) panels.

Fingerprint Smart Door Lock


Functional Part

1. Fingerprint identification

Semiconductors should be selected for fingerprint recognition, false fingerprints are rejected, and the safety index is high. Secondly, look at the recognition time, the recognition rate of dry and wet fingers, it is acceptable to recognize fingerprints within 1.5 seconds and don’t consider it beyond that. Fingers are dry in winter, and the recognition rate is also high. Wet fingers are more sweaty than fingers that have been completely soaked in water. Can not buy optical fingerprint recognition.


2. Password

False password function. For example, if the password is set to 6 digits, the password is 654321. When you enter the string of numbers 18946326+654321+86986, the door can also be opened, as long as the continuous and complete real password is included to unlock it. You can enter the beginning and end passwords at will. Even if there are people around you when entering the password, it is difficult to remember the password to avoid embarrassment and password disclosure.


3. Swipe card

For those who have missing fingerprints and are difficult to identify, they can directly swipe the card to unlock it. The card should choose an encrypted anti-copy card. The encrypted card will not be copied by the NFC of the mobile phone, which is safe and reliable. If the card is lost, just delete the lost card directly.


4. Key and power supply port

To prevent the fingerprint lock from being reminded of low battery, if you still forget to change the battery, you can use the key to unlock it in an emergency. There must be an emergency power supply. In case the battery of the fingerprint lock is out of power, it can also be temporarily charged with a power bank.



Author: Written by Anna Zhang from S4A INDUSTRIAL CO., LIMITED




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  S4A-Security For All.S4A Industrial Co., Limited, Founded in 2010, We have been dedicating in access control production R&D and sales for 10year till now. With the belief that we do one thing well in a lifetime, our CEO has been in this industry for 15 years. During the past 10 years, our products have been exported to various countries and regions. And 90% of customers come from the recommendations of cooperative customers, and 80% of the turnover comes from cooperative customers in the past 10years.Your business is a plant, we are the gardener, our mission is to water and fertilize the plant, and make it become the towering tree. We attach great importance to the partner's appeal, customer's suggestions, and feedbacks. To strengthen Product quality awareness, client's service awareness. Our clients and S4A are on the same path walking for many years.       S4A's future would be even more brilliant, this is related to all of our staff's working sweat. When you join this team, you will feel an invisible power to drive walk forward. S4A mainly produces a series of security Door Access Control such as:Network Access Controller, Locker board, Electromagnetic lock, Standalone door Controller, Automatic door opener, etcOur team can manufacture products, sell products, and do after-sales.In the realm of access control, one company stands out for its unwavering commitment to providing security services for everyone. S4A, which stands for "Security for All," has been at the forefront of access control technology for the past 13 years. With its own state-of-the-art factory and a strong focus on research and development, S4A has continuously delivered cutting-edge access control machines with the latest functions. Their dedication to product quality, customer feedback, practicability, and cost performance sets them apart as a leader in the industry.Factory and R&D Expertise:S4A takes pride in its fully-equipped factory, where skilled engineers and technicians work tirelessly to develop and manufacture access control solutions that meet the highest standards. The company's investment in research and development has resulted in a steady stream of innovative products that cater to evolving security needs.By staying ahead of the curve, S4A ensures that their customers have access to the latest advancements in access control technology.Quality Assurance and Customer Feedback:At S4A, product quality is of paramount importance. The company adheres to rigorous quality control procedures throughout the manufacturing process to guarantee the reliability and durability of their access control machines. Each product undergoes comprehensive testing to ensure it meets industry standards and exceeds customer expectations. S4A also places great value on customer feedback, actively seeking input to continuously improve their products and services. By listening to their customers, S4A maintains a customer-centric approach and delivers solutions that address real-world security challenges.Practicability and Cost Performance:S4A understands that access control solutions must not only be technologically advanced but also practical and cost-effective. The company's emphasis on practicability means that their products are designed to be user-friendly, easily integrated into existing systems, and adaptable to various environments. S4A's access control machines are known for their intuitive interfaces, simple installation processes, and seamless compatibility with other security systems. Additionally, S4A strives to provide cost-effective solutions without compromising on quality. Their competitive pricing ensures that security is accessible to businesses and individuals of all sizes.With 13 years of industry experience, S4A has cemented its position as a leading provider of access control solutions. Through their dedication to "Security for All," the company has set a benchmark for excellence in product quality, customer satisfaction,practicability, and cost performance. S4A's in-house factory and research and development capabilities enable them to stay at the forefront of technological advancements in the field of access control. As the company continues to evolve and innovate, S4A remains committed to empowering individuals and organizations with the highest level of security, ensuring that everyone can enjoy the peace of mind that comes with a reliable and efficient access control system.We can create value for you!Quality takes great importance for a company's credibility, and buyer's every penny spend must worth it. That is our most basic principle. Our business mainly for wholesale, so we could offer large quantities at competitive prices. During the past 10 years, We work hard to create value for our customers, and with our help, customers have an increasing market share. 99% of the customer...<
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