| Specification Category | Technical Detail |
| Brand Profile | Anchor (by Panasonic) |
| Series Model Line | Roma Urban Series |
| Product Part / Item Code | 66703S |
| Device Category | DND & MMR External Corridor Unit with Bell Push Switch |
| Module Footprint Size | 2 Module (2M Standard Frame Size) |
| Rated Operating Voltage | 240 V AC Utility Grid |
| Rated Operational Frequency | 50 Hz |
| Enclosure Body Material | Flame-Retardant V0-Grade Polycarbonate Plastic |
| Color / Finish Profile | Metallic Silver |
| Physical Dimensions (L × B × H) | 10.9 cm × 10.5 cm × 3.6 cm |
| Net Product Weight | Approx. 1.0 kg (2.20 lbs.) |
| Mounting Style | Concealed Flush Wall Mount Installation (Outside Door) |
| Target Application Environments | Hotels, Resorts, Guest Suites & Commercial Hospitality Hallways |
| Best Used For Applications | Displaying Guest Status (DND/MMR) and Visitor Doorbell Activation |
All-in-One Corridor Panel: Integrates visual status indicators for "Do Not Disturb" (DND) and "Make My Room" (MMR) alongside a built-in visitor doorbell push switch into a single 2-module unit.
Standard 2-Module Modular Fit: Designed to mount flush outside hotel room entry doors on standard 2-Module (2M) concealed wall boxes for a professional, uniform corridor aesthetic.
Clear Staff Communication: Displays illuminated visual cues in hotel hallways, enabling housekeeping and room service personnel to identify guest preferences instantly.
Flame-Retardant Polycarbonate Body: Molded from premium V0-grade fire-resistant polycarbonate plastic, ensuring high thermal resilience and long-term structural safety in commercial buildings.
Compact Architectural Dimensions: Measures a convenient 10.9 × 10.5 × 3.6 cm profile with a sturdy 1 kg net weight rating, engineered for heavy-duty commercial deployment.