| Specification Attribute | Model: 66603S | Model: 66603GB |
| Brand | Anchor | Anchor |
| Series / Range | Roma Urban | Roma Urban |
| Product Code / Item Code | 66603S | 66603GB |
| Product Type | Buzzer Dura | Buzzer Dua / Dura |
| Generic Type | Buzzers | Buzzers |
| Alert Mechanism | Electro-Acoustic Diaphragm Tone | Electro-Acoustic Diaphragm Tone |
| Operating Voltage & Frequency | 240 V AC, 50 Hz | 240 V AC, 50 Hz |
| Number of Modules | 2 Module (2M) | 2 Module (2M) |
| Color Finish | Metallic Silver | Graphite Black |
| Material | Flame-Retardant Engineering Polymer | Flame-Retardant Engineering Polymer |
| Dimensions (L x W x H) | 6.0 x 6.0 x 3.0 cm | 6.0 x 6.0 x 3.0 cm |
| Unit Weight | 0.2 kg | 0.2 kg |
| Unit Packaging | 1 Piece | 1 Piece |
| Mounting Mechanism | Snap-In Modular Flush Mount | Snap-In Modular Flush Mount |
| Target Applications | Residences, Executive Offices, Clinics & Hotels | Modern Apartments, Reception Desks & Suites |
| Best Used For | Doorbell Alert, Service Paging & Nurse-Call Systems | Concealed In-Wall Acoustic Calling Notification |
Audible & Clear Acoustic Tone: Features an integrated electro-acoustic transducer that generates a distinct calling chime, ideal for front doorbells, service calls, and office paging.
Streamlined 2-Module (2M) Profile: Replaces bulky surface-mounted bells by integrating cleanly into multi-gang Anchor Roma Urban plates alongside switches and indicator modules.
Front Acoustic Dispersion Grill: Precision-engineered front vents optimize directional sound output while shielding internal electrical components from accidental contact and dust ingress.
Dual Architectural Finish Profiles: Available in Metallic Silver (66603S) for bright contemporary layouts and Graphite Black (66603GB) for sleek, modern dark wall installations.
Flame-Retardant Engineering Polymer: Molded from self-extinguishing, impact-resistant thermoplastic engineered to ensure long-term thermal endurance and electrical safety across homes and businesses in Nepal.