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Access control system

Simultaneous storage of 150 passwords, smart key box that can be controlled remotely

July 31 , 2023

With the maturity of artificial intelligence technology, smart devices occupy a higher and higher position in our lives. From smart phones to smart watches, to one-key control of TVs and air conditioners at home, it can be said that smart devices have entered the Thousands of households.


And smart door locks are gradually becoming another big outlet in the smart home market. However, starting at a thousand yuan, the price of thousands of dollars makes many people who want to try smart door locks discouraged.


At this time, you need a product with similar functions to smart door locks, but the price is much more "beautiful" than smart door locks, so that you can enjoy the sense of technology brought by smart devices and save money.


smart key box

S4A-K3 is such a safe, convenient, durable and reasonably priced smart key box.

It can store all your keys safely in one place. When you go out, you only need to hang it on the door, and take the keys out from inside when you come back.


Whether it is house keys, office keys, or car keys, it can store them. This device has ample storage space

And its installation method is very flexible, you can embed it in the outer wall, or hang it on the doorknob like a padlock, without worrying that it will be taken away by others.


At the same time, its usage scenarios are also very wide.


① Family Sharing

In addition to using it yourself, the S4A-K3 is also capable of providing family or friends with a spare key to your home. If you are traveling and have pets or plants that need to be taken care of at home, you only need to put the key in the S4A-K3 and hang it on the door, and then tell your family or friends the password, and they can enter your home


② Business use

Whether you are a homeowner, warehouse manager, car renter or real estate agent on a short-term rental platform, S4A-K3 can provide you with convenience. You no longer need to hang a bunch of them everywhere, just store them in the S4A-K3.


③Outgoing use

Go out for a run, go shopping, don't want to hang a bunch of keys? It doesn't matter, you can put them all in S4A-K3.


smart devices

Although powerful, the operation of the S4A-K3 is very simple.

Through mobile APP authorization management, users can not only inquire about daily, per person, and each entry and exit, but also remotely manage the number of unlocking times and time permissions of temporary users. The dynamics of the lock box can be notified to users through the APP to help users better. Take control of your home security.


Author:Written by Ms.Rebecca Fu from S4A INDUSTRIAL CO.,LIMITED

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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Leave A Message
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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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