Dahua LDH55-LAI400L 55 Inch 4K 178° Wide View Android 11 Commercial LCD Advertising Display
Key Features:
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55-inch 4K UHD (3840×2160) IPS/VA display with 178° wide viewing angle for clear visibility from all directions
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Android 11 system powered by quad-core CPU with 4GB RAM and 32GB internal storage for smooth operation
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Industrial-grade design supporting 24/7 continuous operation for commercial digital signage use
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Advanced 4K video decoding support (H.265/H.264/VP9) enabling high-efficiency multimedia playback
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Intelligent signage management with split-screen layout, scheduled content playback, and remote centralized control platform
PRODUCT OVERVIEW
Dahua LDH55-LAI400L
The Dahua LDH55-LAI400L is a professional-grade digital signage solution designed for continuous 24/7 commercial operation. It targets retail, corporate, transportation, and public information environments. Built with an industrial panel, it emphasizes reliability and long operational life. The unit integrates a smart Android-based system for content playback and management.
Display Performance
This model features a 55-inch 4K UHD (3840×2160) LCD panel with wide viewing angles of up to 178°. Brightness typically ranges around 500–700 cd/m² depending on configuration, making it suitable for indoor high-visibility applications. The IPS/VA panel options ensure balanced color accuracy and contrast. It supports split-screen layouts for flexible content presentation.
System & Processing
The device runs on Android 11 with a quad-core A55 processor, supported by 4GB RAM and 32GB internal storage. This configuration allows smooth playback of 4K content and multi-format media decoding. It supports modern codecs such as H.265 and H.264 for efficient video performance. The system is optimized for stable, long-duration operation without overheating.
Connectivity & Integration
LDH55-LAI400L provides multiple connectivity options including HDMI 2.1 input, USB 2.0/3.0 ports, TF card support, and Gigabit Ethernet. Wi-Fi support may be optional depending on deployment variant. These interfaces allow easy integration with media players, CMS platforms, and external control systems. It is designed to fit seamlessly into centralized digital signage networks.
| Product Name | Dahua LDH55-LAI400L 55 Inch 4K 178° Wide View Android 11 Commercial LCD Advertising Display |
|---|---|
| Weight | 11.000000 |
| Screen Size | 55" |
| Screen Size | 55" inch |
| Backlight | DLED |
| Aspect Ratio | Aspect Ratio 16:9 |
| Contrast Ratio | IPS 1200:1(typ.) / VA 4000:1(typ.) |
| Resolutions | 3840 (H) × 2160 (V) |
| Response Time | 8 ms (typ.) |
| Visual angle | 178° (H); 178° (V) |
| Power Supply | 100–240 VAC, 50/60 Hz |
| Power Consumption | 95 W (typ); 160 W (max) |
| Operating Temperature | 0 °C to +40 °C (+32 °F to +104 °F) (avoid direct sunlight |
| Display Colors | 1.07B(10 bits) |
| Dimensions | 1243.7 mm × 728.7 mm × 79.3 mm (48.96" × 28.69” × 3.12") (without bracket) |
| Package Weight | 16.9kg |
| Packaging Dimensions | 1320 mm × 117 mm × 805 mm (51.97" × 4.61” × 31.69") |
| Resolution | 3840x2160 (4K UHD) |
| CPU | 4 cores A55, 1.92 GHZ |
| Operating System | Android 11.0 |
| Brightness | 500 cd/m² |
| Viewing Angle | 178° (H); 178° (V) |
| Built-In Speakers | Yes |
| Aspect Ratio | 16:9 |
| Manufacturer | Dahua |
| Color | Black |
| Country of Origin | China |
Product Datasheet
