Dahua Standard Series 55-inch 4K Touch Digital Signage Display – LDH55-SAI400TL
The Dahua LDH55-SAI400TL is a 55-inch 4K touch digital signage display for wall-mounted installations that need interactive content. It has 10-point capacitive touch, 3840 x 2160 resolution and an Android 11 system with 4 GB RAM. Procure.ae supplies the Dahua LDH55-SAI400TL in the UAE, with delivery and installation.
The 55-inch panel offers 3840 x 2160 (4K UHD) resolution, 500 nits typical brightness, a 16:9 aspect ratio and 178-degree viewing angles. Capacitive touch registers 10 points with a response time of 8 ms or more. The Android 11 system runs on a quad-core A55 processor at 1.92 GHz with 4 GB RAM and 32 GB storage, and it decodes H.265 HEVC video up to 2160p at 60 fps. Built-in 2 x 5 W speakers, a 3.5 mm audio output and a TF card slot for up to 128 GB complete the feature set.
Use it for interactive directories, wayfinding and information points in lobbies, schools and offices. The wall-mount installation uses a 400 x 400 mm VESA pattern, and the display supports landscape and portrait modes. It connects through one HDMI 2.1 input, RJ-45 Ethernet, Wi-Fi and two USB ports. A unified platform schedules programs by time and location and generates operation reports. Compared with the LDH55-SAI400L V2, this model adds touch, a 14.2 mm frame and a net weight of 26.7 kg against 20.5 kg.
Key features
Specifications
| Key Features | 10-point capacitive touch, 4K decoding, Android 11, Split-screen layouts, Time and location scheduling, Remote platform management, 24/7 operation, Landscape or portrait |
| Model | LDH55-SAI400TL |
| Type | Touch Digital Signage Display |
| What's in the Box | Wall-mount bracket, remote control, user manual, energy label, legal and regulatory information |
| Aspect Ratio | 16:9 |
| Backlight | ELED |
| Bezel Size | 14.2 mm |
| Brightness | 500 nits (typical) |
| Color Depth | 10 bit (8 bit + FRC), 1.07 billion colours |
| Contrast Ratio | 1,200:1 (IPS, typical); 4,000:1 (VA, typical) |
| Orientation | Landscape or portrait |
| Panel Technology | IPS / VA |
| Resolution | 3840 x 2160 (4K UHD) |
| Response Time | 8 ms |
| Screen Size | 55 inch |
| Touch Points | 10-point multi-touch |
| Touch Response Time | 8 ms or more |
| Touch Technology | Capacitive |
| Viewing Angle | 178° (H) / 178° (V) |
| Operating System | Android 11 |
| Processor | Quad-core A55, 1.92 GHz |
| RAM | 4 GB |
| Storage | 32 GB |
| Storage Conditions | -20 to 60 °C; 10% to 90% RH, non-condensing |
| Speaker Output | 2 × 5 W |
| Ethernet | 1 × RJ-45, 10/100/1,000 Mbps |
| Input Voltage | 100–240 V AC, 50/60 Hz |
| Ports | HDMI 2.1 In × 1, USB 2.0 × 1, USB 3.0 × 1, RJ-45 × 1, 3.5 mm audio out × 1 |
| SD Card Slot | TF card slot, up to 128 GB |
| Wi-Fi | 802.11 a/b/g/n/ac/ax, 2.4 GHz and 5 GHz |
| Power Consumption | 123 W (typical), 152 W (maximum) |
| Standby Power | 0.5 W or less |
| Color | Black |
| Dimensions | 1237.3 x 708.0 x 28.8 mm (without bracket) |
| Material | Metal casing |
| Mounting | Wall mount |
| Operating Humidity | 10% to 85% RH, non-condensing |
| Operating Temperature | 0 to 40 °C (avoid direct sunlight) |
| Shipping Dimensions | 1324 x 805 x 130 mm |
| Shipping Weight | 31.5 kg (gross) |
| Surface Protection | Haze 25% (OC panel) |
| VESA Mount | 400 x 400 mm |
| Weight | 26.7 kg (net) |
| Certifications | CE EMC, CE LVD, CE ERP, RED |
☎ +971 4 546 5041 · WhatsApp · ✉ info@procure.ae · 🔗 View product page
This sheet is compiled from the product data held on procure.ae. For fully accurate and up-to-date figures, always refer to the manufacturer’s own specification sheet or datasheet for this model.
Specifications are provided by the manufacturer and may change without notice.
Pricing is quote-based. Contact Procure for current pricing and availability.
Delivery across the UAE and beyond, installation on request and manufacturer-backed warranty.
© Procure FZE. All rights reserved.