Description
The Dahua DHI-LM55-F400 55″ 4K UHD LED Monitor is a professional-grade large-format display designed for offices, control rooms, digital signage, conference rooms, retail environments, and home entertainment. Featuring a 55-inch IPS LED panel with 4K UHD resolution of 3840×2160, it delivers sharp details, vivid colors, and excellent image clarity. The 178° horizontal and vertical viewing angles ensure consistent visuals from almost any position, while 300 cd/m² brightness, a 1200:1 contrast ratio, and 1.07 billion colors provide an immersive viewing experience. With a 60Hz refresh rate and 8ms response time, the monitor handles videos and presentations smoothly. Low Blue Light technology helps improve viewing comfort during extended use. It also offers HDMI, VGA, USB, Audio, and RJ45 (RS232) connectivity, built-in 7W×2 speakers, and VESA 200×200mm wall-mount support.
Specifications
| Specification | Details |
|---|---|
| Brand | Dahua |
| Model | DHI-LM55-F400 |
| Display Size | 55″ |
| Display Type | LED |
| Panel Type | IPS |
| Resolution | 4K UHD (3840×2160) |
| Aspect Ratio | 16:9 |
| Viewing Angle | 178° (H) / 178° (V) |
| Brightness | 300 cd/m² |
| Contrast Ratio | 1200:1 |
| Refresh Rate | 60Hz |
| Color Support | 1.07G (8bit+FRC) |
| Response Time | 8ms |
| Curvature | Flat |
| Low Blue Light | Yes |
| Built-in Speaker | Yes |
| Speaker Details | 7W × 2 |
| VGA | 1 × VGA |
| HDMI | 1 × HDMI 2.0, 1 × HDMI 1.4 |
| USB | 1 × USB 2.0 |
| Audio Jack | 1 × Audio |
| Other Connectivity | 1 × RJ45 (RS232) |
| VESA Wall Mount | 200 × 200mm |
| Color | Black |
| Dimension | 1230.1 × 786.9 × 268.9mm (48.4″ × 40.0″ × 10.6″) |
| Net Weight | 11.9kg (26.2lb) |
| Gross Weight | 16.1kg (35.5lb) |
| Power Type | Built-in Power |
| Power Consumption (Max) | 145W |
| Power Consumption (Standby) | ≤0.5W |
| Voltage | 100–240 VAC (±10%), 50/60Hz |
| Operating Temperature | 0℃–40℃ (32°F–104°F) |
| Operating Humidity | 20%–80% |
55-Inch 4K UHD Display
The Dahua DHI-LM55-F400 features a large 55-inch IPS LED display with 4K UHD resolution of 3840×2160. It delivers highly detailed visuals, making it suitable for professional presentations, digital signage, monitoring, multimedia, and entertainment applications.
IPS Panel with Wide Viewing Angle
The IPS panel provides consistent image quality with a wide 178° horizontal and vertical viewing angle. This allows viewers to enjoy clear and accurate visuals from different positions, making the monitor ideal for meeting rooms, public displays, and multi-viewer environments.
Vivid and Detailed Image Quality
With 300 cd/m² brightness, a 1200:1 contrast ratio, and support for 1.07 billion colors through 8bit+FRC technology, the monitor produces vibrant and detailed images. Its 16:9 aspect ratio provides a familiar widescreen viewing experience for videos, presentations, and other content.
Smooth Performance and Eye Comfort
The 60Hz refresh rate and 8ms response time provide smooth image transitions for everyday video playback and presentations. Low Blue Light technology also helps reduce exposure to blue light, offering improved visual comfort during extended viewing sessions.
Versatile Connectivity
The monitor provides a wide selection of connectivity options, including HDMI 2.0, HDMI 1.4, VGA, USB 2.0, Audio, and RJ45 (RS232). This allows it to connect easily with computers, media players, presentation equipment, and other compatible devices.
Built-in Audio and Flexible Installation
Integrated dual 7W speakers provide convenient audio output without requiring external speakers for basic applications. The monitor also supports a 200×200mm VESA wall mount, allowing flexible installation in offices, conference rooms, retail spaces, and control environments.
Reliable Professional Design
Designed with a sleek black finish, the Dahua DHI-LM55-F400 features a built-in power supply and supports 100–240V AC input for broad compatibility. Its low standby power consumption of ≤0.5W also helps improve energy efficiency when the display is not in active use.
