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  • Q: 2) How does a fingerprint door lock work?

  • A:

    Basically, fingerprint locks operate by scanning and converting your fingerprint data into a numerical template. Once you place your finger onto the scanner for the first time the conversion into numerical data takes place, and the fingerprint template is saved.

  • Q: 3) IS the fingerprint more secure than a password?

  • A:

    Biometrics is definitely better than passwords when it comes to security, but they aren't fool-proof. 

  • Q: 4) How do you put a fingerprint lock on?

  • A:

    Step 1: Purchase Lock Kit. Purchase your biometric door lock kit from a local store. ...

    Step 2: Drill Holes in the Door. Drill a hole about 2 inches deep in the side of the door for the deadbolt. ...

    Step 3: Adjust and Install Deadbolt and Latch. ...

    Step 4: Install the Lock. ...

    Step 5: Final Check. ...

    Step 6: Register Your Fingerprint.


  • Q: 5) What is a fingerprint door lock?

  • A:

    Fingerprint door locks are advanced security locks of door control units that allow you to use your fingerprint and in most cases, pin codes and regular keys on doors (both in business and in your home). ... The fingerprint door lock system involves identifying the arrangement of ridges and furrows on your fingertips.

  • Q: 6) Can the smart fingerprint lock be installed on any door?

  • A:

    Doors with a thickness of 40-120mm can be installed, but some doors may need to be modified or re-opened. Before installing the smart fingerprint lock, you should contact customer service to check the thickness of the door, the length of the lock body, the width of the lock body, and whether there is space. Hook these data and tell the customer, the customer service will give you a suitable lock body.

  • Q: 7) How many administrators can be set for smart fingerprint lock?

  • A:

    Each fingerprint machine needs to add 1 operation administrator, and then the administrator can operate the fingerprint machine. The administrator has the authority to modify the system settings. There are 1-5 administrators for the fingerprint machine category.

  • Q: 8) How to add or delete fingerprints, passwords, ID cards?

  • A:

    The operation interface for adding and deleting are all together. For example, if you want to add or delete a fingerprint, click to enter the fingerprint interface, and you can see the options for adding and deleting; if you want to add or delete a password, click to enter Password interface, and so on.

  • Q: 9) What should I do if the battery is completely dead?

  • A:

    The fingerprint lock battery on the market is generally configured with 4 or 8 AA dry batteries, which can be used for about 10-12 months according to household usage. Generally, there will be a reminder function when the battery is dead. The battery should be replaced as soon as possible after the reminder, If you forget that it’s completely out of power before replacement, the general fingerprint lock has a USB port, which can be turned on by charging with a power bank, and the battery should be replaced immediately after turning it on.

  • Q: 10) The fingerprint verification is successful, but the door still cannot be opened?

  • A:

    The fingerprint locks with better quality can be opened by pressing the handle immediately after the fingerprint verification is passed. However, some fingerprint locks of general quality cannot be opened immediately after the fingerprint verification is successful. They can only be opened after hearing a beep. If you still can't open the door, you need to contact customer service to find out the reason.

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Contact Us
  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...<
  • Address

    Factory Address:Building S4A, South Third Lane, Qiuyuling Street, Zhangkeng Village, Hengli Town, Dongguan City, Guangdong Province Office Address:#601,floor 6 ,building 1,JINFANGHUA industrial zone, Bantian St. Longgang Dist. Shenzhen, PRC.

  • Call us

    0086 755 29450011

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