The SC103 is an access control device manufactured by ZKTeco, featuring a sleek design and professional surface finish.
It includes lock, alarm, exit, button, and door sensor controls. A Wiegand-in interface connects to an external reader to create a master and slave system. Alternatively, the device can be connected to a control panel as a reader via a Wiegand-out interface. Operation can be controlled directly from the device via an LCD screen or through computer software, which can be downloaded via TCP/IP and RS232/RS485 connections. A USB host is used for uploading and downloading data, including user templates, logs, and more. The SC103 is suitable for homes, small offices, factories, and similar settings.

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