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The Commax Fine View Video Doorphone Monitor 7'' Handsfree, Black Design, CDV-77M, Black is a Commax fine view video doorphone designed for reliable building communication, visitor calling and access control use. This is the black colour variant of the CDV-77M model. It has been reviewed against the Commax catalogue family and the updated SKU title provided for this upload.
This Commax product is brand new and supplied through Kewalram with original packaging and warranty support. For best performance, Commax intercom products should be installed and configured by a qualified low-voltage / ELV technician.
| Included Item | Main product unit only |
| Brand | Commax |
| Model | CDV-77M-B |
| Colour Variant | Black |
| Product Family | Fine View Video Doorphone |
| Category | Video Monitor / Wall Pad |
| Display | 7 inch TFT LCD screen |
| Camera / Video | Supports up to 2 door cameras |
| Resolution | PAL/NTSC convertible video system |
| Power Source | AC 100–240V, 50/60Hz |
| Network / System Type | Wired 4-wire video doorphone system |
| Main Use | Visitor calling, door release, access control and intercom communication |
| Brand | Commax |
| Model / MPN | CDV-77M-B |
| Base Model | CDV-77M |
| Product Type | Video Monitor |
| System Family | Fine View Video Doorphone |
| Power Source | AC 100–240V, 50/60Hz |
| Display | 7 inch TFT LCD screen |
| Resolution | PAL/NTSC convertible video system |
| Camera | Supports up to 2 door cameras |
| Wiring | Door camera 1,2: 4 wires / interphone: 4 wires |
| Distance | Door camera up to 28m (0.5Ø) / interphone up to 30m (0.65Ø) |
| Dimensions | 244(W) × 180(H) × 18(D) mm |
| Condition | New |
| Warranty | 1 Year |
| Compatibility | Compatible with selected Commax Fine View 4-wire door cameras and interphones. |
| Installation Type | Professional ELV / low-voltage installation recommended |
| Before Purchase | Confirm system family, wiring type, power requirement and connected devices |
| Catalogue Basis | Catalogue-backed base SKU CDV-77M; user confirmed black colour variant |
| Use Case | Residential, villa, apartment, office or commercial building intercom system |
| Care | Keep the product clean and dry; wipe with a soft dry cloth |
| Electrical Safety | Do not connect power until wiring and compatibility have been checked |
| Service | Use qualified Commax / ELV service support for installation and troubleshooting |
Commax is a global specialist in intercom, video door phone, smart home and building communication systems. Its products are used across villas, apartments, offices and commercial facilities for visitor communication, access control and security integration.