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  • What is the exit button?
    What is the exit button? Aug 12 , 2022
    The exit button is a new product with the development and progress of science and technology. The touch switch that can realize more intelligent and more convenient operation has the incomparable advantages of traditional switches and is a very popular decorative switch for household products.1. What is the exit button?Touch switches are classified into resistive touch switches and ...
  • 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...
  • Types of electric mortise locks
    Types of electric mortise locks Nov 07 , 2022
    Electric mortise locks are divided into: two-wire electric mortise locks, five-wire electric mortise locksTwo-wire electric mortise lock: There are two wires, red and black, red is connected to power +12VDC and black is connected to GND. Disconnect either wire, the lock retracts, and the door opens. The two-wire electric lock is relatively simple in design and has no single-chip control circuit. T...
  • 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 ...
  • What is a smoke alarm and what are smoke alarms used for?
    What is a smoke alarm and what are smoke alarms used for? Dec 01 , 2022
    Smoke alarm is actually another name for smoke detector sensor or smoke alarm. This smoke detector is the first to obtain the latest household detector standard 3C certification, and it is a recommended product for fire brigades around the world. It is easy to install and has remarkable effects, and has been widely used in important fire prevention places such as homes, factories, office buildings...
  • Not only quarantine, intelligent door magnetic application know how much
    Not only quarantine, intelligent door magnetic application know how much Dec 19 , 2022
    A sudden outbreak of the novel coronavirus, let people know the intelligent door magnetic product.   This device greatly reduces the inspection pressure of epidemic prevention personnel at centralized quarantine sites, and uses the Internet of Things communication means to help regulators manage quarantine personnel around the clock, improving work efficiency.   As the epidemic has becom...
  • The introduction of the Gateway
    The introduction of the Gateway Jan 06 , 2023
    With the rapid development of the Internet of Things today, the smart home industry is also in full swing, and the smart gateway is the most important link in the entire smart home architecture. The smart gateway connects the home intranet and the home extranet to ensure communication between the inner and outer networks. The home intranet is the networking of all electrical equipment in the ...
  • Install Smoke Alarms Don't Make These 6 Mistakes
    Install Smoke Alarms Don't Make These 6 Mistakes Jan 06 , 2023
    Installing a smoke alarm is a task that most homeowners can do themselves. But proper installation and maintenance are critical to ensuring that the siren actually works in an emergency. However, many households are not well equipped.According to the National Fire Protection Association, almost three out of five home fire deaths occur in homes without smoke alarms (40%), or with non-functioni...
  • 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...
  • What is the function of the access control power supply?
    What is the function of the access control power supply? Feb 23 , 2023
    The connection terminals of the special power supply for access control generally include the following: power output +12V, power output GND, switch control signal input push, electrical signal control input control+ and control-, normally closed electric lock control output NC, Normally open electric lock control output terminal NO, where the power output terminal +12V and power output terminal G...
  • Function features of concealed access control wire crossing device
    Function features of concealed access control wire crossing device Feb 27 , 2023
    Function features of concealed access control wire crossing deviceA concealed access control device is a security control device that is typically used to monitor entrances or exits to ensure that only authorized personnel can enter or leave a specific area. The following are the features of the device:1. Concealment2. Sensitivity3. Automation4. Data recording5. Various application scenarios1. Con...
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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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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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