| Specification | Technical Details |
| Brand | Anchor |
| Model | Roma |
| Product Code | 66333B |
| Product Type | Bell Push Switch with Indicator |
| Rated Current | 10 Amps |
| Voltage | 240 V |
| Frequency | 50 Hz |
| No. of Modules | 3-Module (3M) |
| Dimensions (LxBxH) | 2 x 3 x 4 CM |
| Unit Weight | 0.2 kg |
| Material Logic | Flame Retardant Polycarbonate |
Neon Visual Indication Logic: Engineered by Anchor with a built-in indicator lamp that remains illuminated to help visitors locate the bell push in the dark or low-light conditions.
Momentary Signaling Matrix: Features a high-precision spring-return mechanism that provides temporary circuit completion for door chimes, resetting instantly upon release.
3-Module Ultra-Wide Tactile Matrix: Built with a massive 3M rocker interface that offers a high-end luxury aesthetic and maximum visibility for premium entrances.
Arc-Resistant Silver-Alloy Contacts: Features high-conductivity internal contacts designed to prevent carbonization and pitting, ensuring a clear signal over 100,000+ operations.
Flame-Retardant Polycarbonate Shield: Constructed from high-grade, impact-resistant material that ensures superior thermal stability and maintains a glossy white finish.