The SC405 is an access control device with a sleek and professional design. It has an alarm interface, exit button, door sensor and Wiegand input that is used to connect an external reader and thus establish a master - slave system. The device can be used to connect with an access control panel as a reader equipment through the LCD screen, it can also be done by the software on the PC and upload to the equipment through TCP / IP, RS232 / 485 communication. The USB port is used for data upload and download, such as user templates, data copy, etc. The SC405 is ideal for homes, small offices and factories