Processor with 4x IR ports, 2x Sence ports, 2x Relays. Built-in 433MHz RF receiver and antenna, built-in flash memory. USB and Ethernet programming. Real Time Clock for timeline based control. Input can be configured as high/low sensing or contact closure ports. The Relais Ports can be configured as 12V Trigger Output Ports. The RP-4 does not support any RTI wired interfaces (In-wall touchpanels, keypads, etc.)