Dahua Technology VTH5421HB Display

The Display Dahua Technology VTH5421HB is a compact indoor monitor designed for access control and video intercom systems. It features a 7" capacitive touch screen with 2.5D glass and a full-screen bezel-less design. The unit is powered by a 12 V DC input, supports 10/100 Mbit/s Ethernet, standard PoE, and provides 6 alarm inputs plus 1 alarm output. Its slim profile and black finish make it suitable for residential and light-commercial installations.

Advantages

The VTH5421HB combines a high-performance processor with a responsive capacitive touchscreen for smooth operation. Its full-screen bezel-less design and 2.5D glass deliver a modern appearance while the support for standard PoE simplifies installation and network powering. Multiple alarm inputs and an alarm output allow integration with external sensors and security equipment. Low typical power consumption (6 W) and compact dimensions make the unit suitable for wall-mounted indoor use.

Suitable for (tasks / use cases)

• Residential communities and apartment building entrances
• Single-family homes and villas with video intercom systems
• Small offices and light-commercial entrances
• Integration with access control and alarm systems

Key specifications

• Model: Dahua VTH5421HB (MPN: VTH5421HB)
• Display: 7" capacitive touch screen, 2.5D glass, bezel-less
• Power input: 12 V DC; supports standard PoE
• Power consumption: Typical 6 W
• Network: Ethernet 10/100 Mbit/s
• Alarm I/O: 6 channel alarm input, 1 channel alarm output
• Dimensions (W×D×H): 130 mm × 26.9 mm × 189 mm
• Weight: 737 g
• Brand: DAHUA
• EAN: 6939554943041

How to use

Mount the VTH5421HB on an indoor wall following the manufacturer’s installation guidelines. Connect power using a 12 V DC adapter or supply power over Ethernet if PoE is available. Link the unit to the local network via the Ethernet port for video and control data. Configure alarm inputs and output as part of the access control or security system using the device software or management platform. Use the capacitive touch screen to navigate menus, answer calls, and control connected devices.

Recommendations

Install the monitor at eye level in a dry indoor location, avoid direct sunlight on the screen, and use PoE where possible to reduce cabling. Ensure firmware is kept up to date and configure alarm input/output thresholds according to the connected sensors and the overall security plan.