Model Number:SCR-100/IC card reader Dimension (W x H x T):153x95.5x35.5mm Communication:RS232/484,TCP/IP Introduction: SCR100 is an access control devices produced by HF&CCTV, 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 ...