Dahua DHI-LS550UDM-UF 55 Inch FHD 1.7mm Ultra Narrow Bezel ADS Video Wall Display
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Key Features:
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Designed for 24/7 continuous professional use with industrial-grade reliability
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High-resolution display support delivering sharp, detailed and vivid image output
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Wide viewing angle IPS technology for consistent clarity from all directions
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Multiple input interfaces (HDMI/DP/VGA depending on configuration) for flexible connectivity
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Slim bezel, anti-glare screen design with optimized visual comfort and reduced reflections
PRODUCT OVERVIEW
Dahua DHI-LS550UDM-UF
This Dahua commercial LED display solution is designed for professional indoor visualization environments requiring stable, high-quality large-screen output. It belongs to Dahua’s modular display ecosystem, built for scalable screen configurations. The system focuses on delivering consistent image reproduction across tiled LED modules. It is intended for control rooms, corporate environments, and public information display setups.

Display Performance
The product is engineered to deliver high-resolution visual output with fine pixel pitch options for close viewing distances. It emphasizes smooth video rendering, high refresh performance, and stable grayscale handling for clear image transitions. Color reproduction is tuned for balanced brightness and contrast suitable for indoor lighting conditions. Overall performance is optimized for continuous operation with minimal visual distortion.

Design & Structure
The structure follows a modular cabinet-based architecture, allowing flexible screen sizing and easy expansion. Lightweight panel construction supports precise alignment and stable installation in multi-cabinet configurations. The design typically integrates efficient heat dissipation and cable management to maintain long-term stability. Its industrial build quality ensures durability in 24/7 operational environments.

Installation & Maintenance
This display system is designed with installation flexibility in mind, supporting wall mounting and customized structural setups. Front-service maintenance capability allows individual modules to be accessed and replaced without dismantling the entire screen. This reduces downtime and simplifies long-term servicing. The system architecture also supports reliable signal and power distribution across connected cabinets.

Applications & Use Cases
| Product Name | Dahua DHI-LS550UDM-UF 55 Inch FHD 1.7mm Ultra Narrow Bezel ADS Video Wall Display |
|---|---|
| Weight | 28.000000 |
| Screen Size | 55" |
| Screen Size | 55" |
| Contrast Ratio | 1200:1 |
| Resolutions | 1920×1080 (FHD) |
| Response Time | 8ms |
| Power Consumption | 180W |
| Max. Power Consumption | 195W |
| Standby Power Consumption | <0.5W |
| Display Colors | 8bit (16.7M) |
| Dimensions | 1212.7mm×683.5mm×121.7mm (47.7"×26.9"×4.8") |
| Package Weight | 33kg |
| Packaging Dimensions | 1360mm×945mm×280mm (53.5"×37.2"×11.0") |
| Resolution | 1920x1080 (Full HD) |
| Brightness | 500 cd/m² |
| Backlight Adjustable | Direct LED |
| Built-In Speakers | Yes |
| Bezel Width | B2B: 1.74mm (Panel Bezel to Panel Bezel), 1.3mm (T/L), 0.44mm (B/R) A2A: 2.49mm (Active area to Active area), 1.74mm (T/L), 0.75mm (B/R) |
| Contrast Ratio | 1200:1 |
| Manufacturer | Dahua |
| Color | Black |
| Country of Origin | China |
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