Verbatim® VRSC-8-1E Remote Supervisory Control with Relay Output Box controls 8 AC or DC digital outputs for a Verbatim®, Verbatim® Secure Front Panel or Verbatim® Gateway. OPTO-22 relay 12-120 Volt AC, 20 mA-2 amps included. A Verbatim® Daughter Card Assembly must be purchased for a Verbatim® or a Verbatim® Secure Front Panel autodialer when ordering Analog Channels, Remote Supervisory Control, Verbatim® Modbus Communications, Local Data Logging, Central Data Logging, or SCADA. Only one card is required regardless of the number of options. A Daughter Card is a standard item on the Verbatim® Gateway.