- Terminal strip connections for normally open, normally closed, and common for all four relays- Relays can be toggled or timed closures of from 1 to 99 seconds can be activated- Terminal strip connections for all four sensor inputs- Notification by email or text message of sensor input state change- Can be used as a secure remote relay for Viking VoIP series phones- Remote Interaction: sensor change on one RC-4A triggers relay activation of a second RC-4A across network- Ready-to-use webpage control interface- Encrypted login- Two levels of access based on login: - Administrator (full access) - Guest (programmable limits)- Relay names, input names and input status can be customized on webpage- Firmware remotely updatable