NEWS
CONTACT US
S4A Industrial Co.,Limited
WhatsApp:
+86 130 40800588
Skype: crypton0929
E-mail: sales@S4A.cn
Address: 2nd floor of Jinmin'an Industrial Zone, #529, Bulong Rd. Bantian St. Longgang Dist. Shenzhen,PRC.518129

Industry information News Center
What is Access Control?

In physical security, the term access control refers to the practice of restricting entrance to a property, a building, or a room to authorized persons. Physical access control can be achieved by a human (a guard, bouncer, or receptionist), through mechan…...View Details+

How does an Access Control System Operate?

When a credential (card, fob, fingerprint, etc.) is presented to a reader, the reader sends the credential’s information, usually a number, to a control panel / processor. The control panel compares the credential's number to an access control list, …...View Details+

Magnetic Locks Vs Electric Strikes

Magnetic locks and electric strikes are electrical hardware devices used to maintain the security of a door opening. Both of these devices can be activated by a range of tools, including passcodes, biometric readers, keycards or buzzers. When comparing ma…...View Details+

What is Electric Strike Lock?

S4A Electric Strike Lock is a device that's installed on a door to allow access with an access control system or some other type of remote release system. The electric strike, unlike a magnetic lock doesn't actually secure the door. A do…...View Details+

How does an Electromagnetic Lock Operate?

S4A Electromagnetic lock, Magnetic lock, or Maglock is a locking device that consists of an electromagnet and an armature plate. By attaching the electromagnet to the door frame and the armature plate to the door, a current passing through the electr…...View Details+

Powered by ZZZcms