Unity Architectural Controller, adding Remote Wall Station Control to your existing DMX Dimming System has never been easier. The SR516 provides control of your house and stage lights from multiple locations.  Additional SR516 features include: Show Mode Station Lockout via DMX, Emergency Bypass Relay, Retain previous Scenes from Power Off, Non-volatile Scene Memory, Mutually Exclusive Scene Grouping, Last Scene Recall, Record from Live DMX, 3 Configurable Contact Closures, 2 Gang Wall Box Installation.