| Specification | Technical Details |
| Brand | Anchor |
| Model | Roma |
| Product Code | 66603B |
| Product Type | Buzzer Dura |
| Acoustic Logic | High Resonance |
| No. of Modules | 2-Module (2M) |
| Voltage Rating | 240 V |
| Frequency | 50 Hz |
| Dimensions (LxBxH) | 24.7 x 11.7 x 4.6 CM |
| Unit Weight | 0.2 kg |
| Material Logic | Flame Retardant Polycarbonate |
High-Resonance Dura Logic: Engineered by Anchor with a specialized internal electromagnetic coil designed to produce a clear, audible signal that easily penetrates ambient noise.
2-Module Acoustic Structural Matrix: Features an expanded 2M design that optimizes sound projection and provides enhanced internal thermal management for frequent use.
Louvered Sound Projection Shield: Built with a precision-angled front fascia that directs acoustic waves forward while preventing dust ingress into the internal signaling mechanism.
Standardized 240V Operation Logic: Specifically calibrated for the standard electrical grid in Nepal, ensuring consistent performance and long-cycle reliability without external transformers.
Flame-Retardant Polycarbonate Shield: Constructed from high-grade, impact-resistant polycarbonate material that ensures superior electrical insulation and a long-lasting white finish.