SCR100 is an access control device, which is made with elegant design and professional surface treatment. The device have lock control, alarm, exit button, door sensor. The wiegand-in interface is used to connect external reader to construct master and slave system. Also the device can be used to connect with a control panel as a reader by Wiegand-out interface. The operation can be done on PC software and upload to the device through TCP/IP, RS232/485 communication. The USB-host is used for data download and upload, including user data and record etc. SCR100 is suitable for house, small office and factory etc.