| Specification | Technical Details |
| Brand | Anchor |
| Model | Roma |
| Product Code | 66703 |
| Product Type | DND MMR External Unit |
| Indicator Logic | Dual LED (DND & MMR) |
| Switch Type | Bell Push (Tactile) |
| Voltage | 240V |
| Frequency | 50 Hz |
| No. of Modules | 2-Module (2M) |
| Dimensions (LxBxH) | 10.9 x 10.5 x 3.6 CM |
| Unit Weight | 0.2 kg |
| Material Logic | Flame Retardant Polycarbonate |
Triple-Function Signaling Logic: Engineered by Anchor with a combined matrix that provides clear DND/MMR status indicators and an integrated bell-push button for visitor announcements.
Synchronized Display Matrix: Features high-visibility LED indicators designed to reflect guest settings from the internal unit accurately across the 240V corridor circuit.
2-Module Robust Structural Matrix: Features a standardized modular footprint that fits seamlessly into corridor mounting plates, providing a professional and intuitive interface for staff and visitors.
Precision Bell-Push Tactile Shield: Built with a high-durability mechanical switch designed for consistent performance and a clear tactile click during thousands of operations.
Flame-Retardant Polycarbonate Shield: Constructed from high-grade, impact-resistant polycarbonate material that ensures superior thermal stability and maintains a pristine white finish.