Call button module DAHUA VTO4202FB-MB1 — black, 1000 × 49.9 × 30.5 mm

DAHUA VTO4202FB-MB1 is a black call button module designed for integration with Dahua intercom and access-control panels. With dimensions of 1000 × 49.9 × 30.5 mm, this single-piece module provides a compact, low-profile physical interface to register visitor calls and request entry. The module is intended for mounting on door entry panels where a durable, visually discreet call button row is required.

Advantages

The module offers a slim form factor and a matte black finish that minimizes visual impact while maintaining a professional appearance. Its standardized dimensions make it suitable for retrofitting into existing panels or for use in new installations. The unit is supplied as a single piece for straightforward installation and integration with compatible Dahua systems, ensuring consistent operation as part of a multi-component entry solution.

Suitable for

• Residential apartment building entry panels
• Commercial office door entry systems
• Multi-tenant access-control installations
• Replacement or retrofit in existing Dahua-compatible panels

Key specifications

• Color: black
• Dimensions (W × H × D): 1000 × 49.9 × 30.5 mm
• Unit type: single-piece call button module
• Application: physical call/entry interface for intercom panels
• Compatibility: designed for use with Dahua intercom/access-control panels

How to use

Install the module into the designated slot or mounting surface on the door entry panel according to the panel manufacturer’s installation guidelines. Connect the module to the panel wiring or connector specified for call button modules; ensure power is off during wiring. After mechanical mounting and electrical connection, restore power and verify that each button registers calls correctly at the connected intercom station or management system.

Recommendations

For reliable operation, install the module in environments protected from direct exposure to heavy rain and extreme temperatures, and follow Dahua or panel manufacturer instructions for mounting height and cable routing. When replacing an existing module, confirm physical dimensions and connector compatibility to avoid modification of the surrounding panel.