Dahua LDH50-LAI400L · Price in Qatar

Name: Dahua LDH50-LAI400L 50-inch LCD Digital Signage Display
Brand: Dahua
SKU: dahua-ldh50-lai400l
Availability: InStock

Overview

The Dahua LDH50-LAI400L is a 50-inch 4K LCD display for signage, rated for up to 24-hour operation. It has an Android 11 player, 500 cd/m² typical brightness and two 10 W speakers. Content and schedules are managed from a central platform, and the 16:9 panel runs in landscape or portrait. It suits reception areas, corridors and retail floors in air-conditioned spaces, since its maximum operating temperature is 40 °C.

What the LDH50-LAI400L is built to do

The Dahua LDH50-LAI400L is a wall-mounted 50-inch LCD display with an integrated Android 11 system, so one unit can play scheduled content without a separate computer. It is intended for information displays, wayfinding, menu boards and promotional loops in indoor public spaces. The manufacturer rates the unit for operation up to 24 hours a day, which matters for lobbies and corridors that stay open for long periods.

Picture quality and panel facts

The 16:9 panel offers 3840 × 2160 resolution with a typical brightness of 500 cd/m². It uses a DLED backlight and is listed with IPS/VA LCD technology, with typical contrast of 1200:1 for IPS and 4000:1 for VA. Colour depth is 10-bit (8-bit plus FRC), giving 1.07 billion colours, with 178° horizontal and vertical viewing angles, an 8 ms typical response time and a 25% haze surface treatment. The haze finish helps soften reflections, which is useful in brightly lit lobbies.

Panel: 50 inch, 3840 × 2160, 16:9
Brightness: 500 cd/m² typical
Viewing angles: 178° horizontal and vertical
Response time: 8 ms typical

Player, decoding and remote management

The built-in system runs Android 11.0 on a quad-core A55 processor at 1.92 GHz, with 4 GB RAM and 32 GB storage. It decodes H.265, H.264 and VP9 video up to 4K, and plays mp4, avi, mov, mkv and wmv files. Split-screen layouts can be adjusted for different content zones. The unit uses a browser-server (B/S) management model, so administrators can schedule programs by time and location, generate operation reports and control terminals remotely. Program releases pass through multi-level permission review, platform data is encrypted, and each terminal can be protected with a password.

Where it fits in Qatar

In a bank branch in West Bay, the display can rotate service information and offers in an air-conditioned lobby, well within its 0 to 40 °C operating range. A private school in Al Wakrah could place units along corridors to show timetables and events, with separate schedules for term time and holidays. A clinic in Al Sadd could use one for wayfinding and queue information in a waiting area. Each unit should be kept out of direct sunlight, which the manufacturer specifically advises against.

Planning the installation

Mounting: 200 × 200 mm VESA pattern, bracket included
Weight: 10 kg net, 12 kg gross
Power: 100–240 VAC, 50/60 Hz, 65 W typical, 120 W maximum
Network: 10/100/1000 Mbps Ethernet, optional external Wi-Fi module
Orientation: landscape or portrait, horizontal or vertical mount

SmartRooms Qatar offers a free site survey before wall-mounting, so the wall, cable routes and viewing height can be checked before the unit arrives. Quotations are usually issued within one working day, and we accept purchase orders (LPOs) and government tenders, including those on Monaqasat. Request a quote for the Dahua LDH50-LAI400L and we will confirm the details for your site, from the bracket to the power cord fitting.

Highlights

50-inch LCD panel at 3840 × 2160 in 16:9 format
500 cd/m² typical brightness and 178° viewing angles
Android 11 player with 4 GB RAM and 32 GB storage
Decodes 4K video in H.265, H.264 and VP9
Schedules content by time and location from a platform
Two 10 W speakers; CE and ERP certified

Estimated timeline

Quotation within 1 working day · delivery timing depends on stock availability, and we confirm it with your quotation.

Specifications

46 specifications · Source: manufacturer · checked Oct 2026

LCD Panel11

Panel Dimensions: 50 inch
Backlight: DLED
LCD Technology: IPS/VA
Aspect Ratio: 16:9
Brightness: 500 cd/m² (typ.)
Contrast: IPS 1200:1(typ.) / VA 4000:1(typ.)
Display Colors: 10 bit (8 bit + FRC), 1.07B colors
Resolution: 3840 (H) × 2160 (V)
Viewing Angle: 178° (H); 178° (V)
Response Time: 8 ms (typ.)
Surface Treatment: Haze 25%

Built-in System5

Operating System: Android 11.0
CPU: 4 cores A55, 1.92 GHZ
RAM: 4 GB
ROM: 32 GB
Video Decoding: 1-ch H.265 HEVC MP-10@L5.1 up to 2160p@60 fps 1-ch H.264 AVC HP@L5.1 up to 2160p@30 fps; 1-ch VP9 Profile 2 up to 2160p@60 fps 4-ch MVC up to 1080p@30 fps 4-ch MPEG-4 ASP@L5 up to 1080p@30 fps 4-ch WMV/VC-1 SP/MP/AP up to 1080p@30 fps

Function3

Audio Compression: MPEG-3,WMA,WAV
Video Compression: MPEG-4, H.264 AVC/MVC, H.265 HEVC
Video Format: mp4, avi, mov, mkv, wmv

Device Ports8

Network Port: 1 × RJ–45 10/100/1000 Mbps self-adaptive Ethernet port
Wi-Fi: Optional (External Wi-Fi module)
Bluetooth: NO
Data Transmission Ports: 1 × USB 2.0 ports (type A) 1 × USB 3.0 ports (type A) 1 × TF card slot, up to 128 GB
Video Input: 1 × HDMI 2.1 (4K @60Hz)
Video Output: NO
Audio Port: 1 × 3.5 mm jack Mic
IR Receiver: Yes

Speaker1

Built-in Speaker: 2 × 10 W

General17

Power Supply: 100–240 VAC, 50/60 Hz
Power Consumption: 65 W (typ); 120 W (max)
Standby Power Consumption: ≤0.5 W
Operating Temperature: 0 °C to +40 °C (+32 °F to +104 °F) (avoid direct sunlight)
Storage Temperature: –20 °C to +60 °C (-4 °F to +140 °F)
Operating Humidity: 10%–85% (RH), non-condensing
Storage Humidity: 10%-90% (RH), non-condensing
Product Material: Plastic casing
Casing Color (Frame/Rear): Black
Product Dimensions: 1131.1 mm × 665.6 mm × 78.7 mm (44.53" × 26.20” × 3.10") (without bracket) (without wall mount bracket)
Packaging Dimensions: 1190 mm × 112 mm × 748 mm (46.85" × 4.41” × 29.45")
Net Weight: 10 kg (22.05 lb)
Gross Weight: 12 kg (26.46 lb)
Installation: Horizontal/Vertical mount
Display Mode: Landscape/Portrait
Wall Mount VESA: 200 mm × 200mm
Accessory: Bracket, user's manual, power cord, legal and regulatory information, remote control

Certification1

Certifications: CE, ERP

Downloads

7 files from the manufacturer

PDF Datasheets LDH50-LAI400L_20240421.pdf 2.5 MB PDF Manuals & guides Digital Signage_Quick Start Guide_V1.0.3.pdf 1.7 MB PDF Manuals & guides Digital Signage_User's Manual_V1.0.2.pdf 7.7 MB PDF Drawings & CAD LDH50-LAI400L_DIMENSIONS.pdf 132 KB PDF Drawings & CAD LDH50-LAI400L_SOURCE_FILE.pdf 19 KB 2511 Software & firmware · Opens on manufacturer site DH_LDM-A(T982)_MultiLang_Android_V3.000.0000002.0.R.251126 DOCX Other documents LDH50-LAI400L_A&E_20260908161751.docx 40 KB

Questions about LDH50-LAI400L

What is the Dahua LDH50-LAI400L designed for?

It is a 50-inch wall-mounted LCD signage display for indoor public areas such as reception desks, lobbies and waiting rooms. The built-in Android 11 system runs scheduled content directly, so a separate PC is not needed for playback. With a 3840 × 2160 panel and 500 cd/m² typical brightness, it suits organisations that want fresh information shown to visitors and staff every day.

Can the display run around the clock?

The manufacturer rates it for operation up to 24 hours a day, which suits lobbies and corridors that stay open. The operating range is 0 to 40 °C, however, and direct sunlight should be avoided. For a hotel lobby in Lusail, that means an air-conditioned room with the unit kept clear of sun-facing glass. Confirm your daily running hours when requesting a quote so the site can be checked.

Can it be used outdoors or near sun-facing windows in Qatar?

No. The operating temperature is 0 to 40 °C and direct sunlight should be avoided, while Qatar summer temperatures often pass 45 °C and dust storms are common. Install it inside an air-conditioned area, away from windows that receive direct sun. SmartRooms Qatar can review your site during the free survey before you commit to a location.

Does it have built-in Wi-Fi?

No. The unit connects through a 10/100/1000 Mbps RJ-45 Ethernet port, and Wi-Fi is available only through an optional external module. Bluetooth is not supported. If your site relies on wireless networking, say so in your quote request so the Wi-Fi module can be included. Wired Ethernet is the simpler choice where a network point is available near the wall.

Which inputs and ports does it have?

It has one HDMI 2.1 input supporting 4K at 60 Hz, one USB 2.0 and one USB 3.0 Type-A port, a TF card slot up to 128 GB, a 3.5 mm microphone jack and an IR receiver. There is no video output, so the signal cannot be passed on to a second screen. The remote control, power cord and wall bracket are included in the box.

Will it work with Qatar's mains power?

The power supply is rated 100 to 240 VAC at 50/60 Hz, which covers the 240 V, 50 Hz mains used in Qatar. Typical consumption is 65 W, with a maximum of 120 W and standby below 0.5 W. A power cord is included. SmartRooms Qatar will confirm the plug fitting for your sockets when preparing the quotation, so the right cable is supplied.

Can it be mounted in portrait orientation?

Yes. The display mode supports landscape and portrait, and the unit can be mounted horizontally or vertically. Portrait suits narrow spaces such as hospital corridors, lift lobbies and staircases in Doha, where tall content such as directions fits the wall better. Decide the orientation before installation, because the bracket position and content layout both depend on it.

How heavy is it and what does the wall need?

The net weight is 10 kg and the gross weight with packaging is 12 kg. It uses a 200 × 200 mm VESA pattern and measures 1131.1 × 665.6 × 78.7 mm without the bracket. For a school corridor in Al Wakrah, check that the wall, fixings and cable route can take the load. SmartRooms Qatar offers free site surveys to confirm mounting height and wall suitability before installation.

How are schedules and content managed across several screens?

The unit works with a browser-server (B/S) management platform. Programs can be scheduled by time and location, operation reports are generated, and the display can be controlled remotely. Split-screen layouts can be adjusted for different content zones. This suits a group of screens spread across branches or buildings, where one team updates content from a single place.

How is the content protected from unauthorised changes?

The system encrypts data sent between the platform and the terminal. Programs go through multi-level permission review before release, and each terminal can be protected with a password. This matters for ministries and schools in Doha that need to control who can change what appears on their screens, especially when several units are updated at the same time.

Is it suitable for a bank lobby in West Bay or a clinic waiting room in Al Sadd?

Yes, for an indoor, air-conditioned space. The 500 cd/m² typical brightness and 178° viewing angles help visitors read the screen from different seats across the room. Place the display where glare from windows is limited, and keep the room within the 0 to 40 °C range. Use the screen for service information, queue updates or directions, and use a site survey to set the height.

Can we order several units for a school or government office under one purchase order?

Yes. SmartRooms Qatar accepts purchase orders (LPOs) and government tenders, including those on Monaqasat, and quotations are usually issued within one working day. For a school in Al Wakrah fitting out several corridors, confirm the number of units, mounting heights and orientation early. This keeps brackets, cable runs and power outlets consistent across the whole order.