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  • About the installation of smart door locks, you should know these!
    About the installation of smart door locks, you should know these! Nov 28 , 2022
    With the development of society, smart products gradually enter ordinary families, bringing convenience to people's lives, but for installation, it is not a simple matter. Let's take a look at what problems need to be paid attention to in the installation of smart door locks today!01. During the installation process of the smart lock, it is necessary to measure the width and thickness of 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 wireless doorbell?
    What is a wireless doorbell? Dec 08 , 2022
    Advantages of wireless doorbells1. The wireless doorbell has relatively strong mobility and strong expansibility. It can get rid of the limitation of wiring. Within the set coverage area, users can easily ie into the furniture equipment network.2. Low cost and low power consumption: The home wireless smart doorbell conforms to the green and intelligent life concept of low-carbon life, and users ca...
  • 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...
  • Meet the access control system!
    Meet the access control system! Feb 16 , 2023
    What is an access control system? The original concept of access control system has actually been in our life for a long time. For example, every house in our house is equipped with doors and locks, and the family members directly use the key to open the door when they go home. Judging whether to open the door by sound and past experience.Access control system, also known as access management cont...
  • 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...
  • Introduction To The Receiving Switch Of The Rolling Code Remote Control
    Introduction To The Receiving Switch Of The Rolling Code Remote Control Mar 03 , 2023
    Rolling code remote control receiver switch:Usage:Switch the switch or button on the rolling code remote control receiver to the corresponding state. Generally, if the switch or button is in the open state, the receiver can receive signals sent by the remote control; if it is in the closed state, the receiver will be unable to receive alerts.Advantages:1. It can prevent others from mistakenly oper...
  • Rolling Code Remote Control Receiver Switch
    Rolling Code Remote Control Receiver Switch Mar 10 , 2023
    The remote control receiver switch is a device that receives and decodes the rolling code signal sent by the wireless remote control. It is usually composed of two parts, a receiver and a decoder, which can convert the received signal into a corresponding digital code, and then control the switch state of the connected device through the circuit. This receiving switch adopts advanced digital ...
  • Features of TTlock Fingerprint Lock
    Features of TTlock Fingerprint Lock Mar 13 , 2023
    TTlock fingerprint lock is a smart lock with the following features:1. Fingerprint identification2. Password input3. IC card identification4. Anti-pry alarm5. Anti-vandalism alarm6. Remote control7. Low battery alarm8. A variety of colors9. Multiple installation methods1. Fingerprint identification: Adopting high-precision fingerprint identification technology, it can accurately and quickly identi...
  • Tuya WiFi door open button Features
    Tuya WiFi door open button Features Mar 20 , 2023
    Tuya WiFi door open button is a smart home product with the following features:1. Remotely open the door2. WiFi connection3. Safe and reliable4. Multiple ways to open the door5. Wide range of application6. Power-saving and energy-saving7. Easy to install1. Remotely open the door: Remotely control the door through the mobile APP, no need to swipe the card or use the key near the access control, whi...
  • What are the common styles of Tuya smart switches?
    What are the common styles of Tuya smart switches? Mar 23 , 2023
    Touch button type:The switch panel is mainly composed of tempered glass and aluminum alloy metal frame (or plastic frame), which can be engraved or customized, and the decorative effect is more beautiful and generous. It is easy to break the panel when the installation is not careful, the replaceability is poor, it is not convenient for after-sales maintenance, and the cost is also high. Especiall...
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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:2nd Floor of Jinmin'an Industrial Zone, #529, Bulong Rd. Bantian St. Longgang Dist. Shenzhen, PRC.

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    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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