The Dahua DHI-VTH2421FW-P / VTH2421FB-P is a premium 7-inch digital indoor video intercom monitor designed for smart residential and commercial security systems. With a capacitive touch display, PoE support, alarm integration, IPC surveillance, and two-way communication, it delivers a seamless and secure monitoring experience.

Key Highlights

• 7-inch TFT Capacitive Touch Screen with 1024 × 600 resolution

• Full Digital Communication for stable and clear connectivity

• Built-in IPC Surveillance Support for camera monitoring

• Two-Way Audio Communication with echo cancellation and DNR

• Integrated Alarm System with 6 alarm inputs and 1 alarm output

• Embedded 8GB SD Card with MicroSD expansion support up to 32GB

• Standard PoE Support for simplified installation

• Slim & Elegant Design suitable for modern interiors

Performance & Smart Features

• High-Performance Embedded Processor ensures smooth and reliable operation

• Embedded Linux OS provides stable long-term performance

• Support for Notifications & Information Release from central management systems

• Leave Video or Text Messages functionality for visitors and residents

• Do Not Disturb (DND) Mode with configurable schedules

• Supports Up to 9 Sub Stations for expanded communication setup

• SOS Alarm Function for emergency situations

Designed for apartments, villas, gated communities, offices, and smart buildings

Display & User Interface

• 7-inch TFT Display with vivid visuals and responsive touch control

• Capacitive Touch Screen for intuitive operation

• 1024 × 600 Resolution for clear monitoring and interface visibility

• Modern Slim Bezel Design enhances aesthetics in residential and office environments

Easy-to-use interface for communication, surveillance, and alerts

Audio & Communication

• Built-in 1.5W Speaker for loud and clear audio

• All-Directional Microphone for smooth communication

• Dual-Way Bidirectional Talk support

• Echo Cancellation & Digital Noise Reduction (DNR) for enhanced audio clarity

• Audio Compression Support: G.711A, G.711U, PCM

Crystal-clear indoor communication and visitor interaction

Security & Alarm Integration

• 6 Alarm Inputs for integration with sensors and security devices

• 1 Alarm Output for external alarm triggering

• IPC Surveillance Support for live camera monitoring

• SOS Alarm Feature for emergency alerts

Centralized monitoring and enhanced security management

Connectivity & Installation

• 1 RJ-45 Network Port

• PoE Support simplifies cabling and power delivery

• 12V DC Power Input alternative supported

• Wall Mount Installation with included mounting bracket

• Default Alarm Cable Included

Easy deployment for residential and commercial projects

What’s Included

• Dahua Digital VTH Indoor Monitor

• Wall Mount Bracket

• Alarm Cable

• User Documentation