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  • Hand scan sensor switch without touching
    Hand scan sensor switch without touching Apr 13 , 2021
    The touchless light switch is also called a photoelectric switch (photoelectric sensor). It is the abbreviation of a photoelectric proximity switch. It utilizes the shielding or reflection of the light beam by the detected object, and the synchronous loop gates the circuit to detect the presence or absence of the object. Objects are not limited to metals, all objects that can reflect light can be ...
  • Repair method of foot switch automatic door failure in hospital operating room
    Repair method of foot switch automatic door failure in hospital operating room Apr 22 , 2021
    Foot witch automatic door are often used in hospitals and are commonly used in hospital operating rooms. This type of automatic door is very convenient to use, but it is also prone to various problems. As an automatic door after-sales maintenance company, the doorway often repairs this type of door type. Today, we summarized some common failures of the footswitch automatic door in the hospital ope...
  • What is a Wall Touchless Switch
    What is a Wall Touchless Switch May 21 , 2021
    The proximity sensor switch (hereinafter referred to as the proximity switch) is a device that can sense the proximity of an object to perform corresponding switching actions. An induction switch is a position switch that can be operated without mechanical contact with moving parts. When the object approaches the sensing surface of the switch to the operating distance, it does not require mechanic...
  • Luxury Touch Switch
    Luxury Touch Switch Jun 04 , 2021
    Many people's cognition of switches is still on the traditional push switch, and the appearance of the switch is not very demanding. However, with the economic development, people's consumption power is gradually increasing, and more and more people are concerned about the appearance of the switch. There is demand, and the newly launched exit push button [EB-10] of S4A just meets the needs...
  • The principle of touch switch and its advantages and disadvantages
    The principle of touch switch and its advantages and disadvantages Dec 29 , 2021
    The touch switch is a modern electronic component switch, which belongs to the category of electronic appliances. Touch switches are widely used in household appliances due to their small size and lightweight, such as video products, digital products, remote controls, communication products, household appliances, security products, toys, computer products, fitness equipment, medical equipment, mon...
  • What it is and how to create a touch switch
    What it is and how to create a touch switch Jun 10 , 2022
    Touch switches increase the usability of electronic devices. While providing additional functions, these specific components provide a unique experience. That's because it can better control compatible devices. Although not a development of new technology, touch switches are still very popular today.We work hard to help you gain deeper insights. After reading this article, you will find t...
  • How To Choose A Suitable And Durable Access Controller?
    How To Choose A Suitable And Durable Access Controller? Oct 15 , 2022
    The access control controller is the hardware core of the access control system, and its quality and performance directly affect the stability of the entire access control system. As the access control system plays an increasingly important role in the safety management of enterprises, the traditional mechanical Electromagnetic Lock management can no longer adapt to the safety management of m...
  • Elevator control system
    Elevator control system Oct 24 , 2022
    The elevator control system, also known as elevator control, is mainly used to control the access authority of the elevator. Only after the authorization card is swiped through the card reader, the designated floor can be reached. Nowadays, the use of elevator control is more and more common, the types are more and more, and the functions are more and more comprehensive, and more attention is paid...
  • Why Do You Need A Safety Relay Module?
    Why Do You Need A Safety Relay Module? Nov 04 , 2022
    Why do you need a safety relay module?There are many types of intelligent Relay modules. With the rapid development of science and technology, the application fields of intelligent relay modules will become wider and wider, such as mechanical control in industry 、automatic door openers, lighting control switches in civil use, and other automatic system control occasions.Usually, the wiring mode of...
  • What is a Magnetic Door Sensor?
    What is a Magnetic Door Sensor? Dec 01 , 2022
    The principle of  Magnetic Door SensorDimension Security Intelligent Door Magnetic Alarm is a convenient and practical safety protection device. It is composed of a switch and a magnet. The switch part is connected by a magnetic reed switch through a lead wire and packaged in a final shape. The magnet part is encapsulated in a plastic or alloy casing by a magnet with a corresponding magnetic ...
  • Wiegand switch module
    Wiegand switch module Jan 30 , 2023
    Wiegand switch moduleInstructions for useCommonly used communication protocols for gatesSet relay action hold timeInstructions for useAll-in-one access control machines, face recognition machines, and fingerprint machines sold on the market have built-in relays to control the door lock switch. Since the devices are installed outside the door, they are easy to be damaged and short-circuited to open...
  • How to install the access control switch button?
    How to install the access control switch button? Feb 10 , 2023
    The installation of an access control switch is a relatively simple process. First, the switch should be mounted on the wall or door frame. Then, the wiring should be connected to the switch. Connect the black wire to the common terminal and the red wire to the normally open terminal. Make sure the wires are securely connected to the terminals. Once the wiring is connected, the...
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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.

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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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