Dahua LDH43-LAI400L · Price in Qatar

Name: Dahua LDH43-LAI400L 43-inch 4K Android LCD Digital Signage
Brand: Dahua
SKU: dahua-ldh43-lai400l
Availability: InStock

Overview

The Dahua LDH43-LAI400L is a 43-inch wall-mounted digital signage display with a 4K panel, Android 11 and built-in storage, so it can loop schedules, menus and announcements without a computer beside it. It supports split-screen layouts, portrait or landscape orientation and remote scheduling from a central platform. It suits hotel lobbies, clinics, schools and offices across Qatar that need a dependable indoor screen. Request a quote.

What the LDH43-LAI400L is built to do

The Dahua LDH43-LAI400L is a wall-mounted 43-inch display that runs Android 11 and plays content from its own 32 GB storage. A screen can keep showing schedules, wayfinding or promotions without a PC sitting beside it. The 3840 x 2160 panel gives 4K detail in a 16:9 format, and the HDMI 2.1 input accepts a 4K signal at 60Hz when you want to show a live source from a media player or laptop.

Panel and display facts that matter

The panel is designed for long running hours, which suits lobbies and corridors where a screen is rarely switched off. Typical brightness is 500 cd/m². The panel is listed as IPS/VA, with typical contrast of 1,200:1 for IPS and 4,000:1 for VA. Viewing angle is 178 degrees both horizontally and vertically. Colour depth is 10-bit (8-bit plus FRC), giving 1.07 billion colours. Response time is 8 ms typical, and a 25% haze surface finish softens reflections from windows and ceiling lights.

Playback, decoding and central management

Processing: quad-core A55 CPU at 1.92 GHz with 4 GB RAM.
Decoding: H.265 and VP9 up to 2160p at 60 fps, H.264 up to 2160p at 30 fps.
Layouts: intelligent split-screen with freely adjustable page areas, landscape or portrait.
Scheduling: programs released by time and location, with operation reports.
Security: encrypted data transmission, multi-level approval for releases and terminal passwords.
Control: the unit can be managed and controlled remotely from the platform.

Where it fits in Qatar

In a hotel lobby in West Bay, the screen can show check-in details, event schedules and airport transfer notices, updated from head office. In a clinic waiting area in Al Sadd, a portrait layout can display queue numbers and health awareness messages. A university building in Education City can use split-screen layouts to show timetables alongside campus news, with each floor managed from one platform. Every location needs an air-conditioned indoor wall, since the rated operating range is 0 to 40 °C and the unit should be kept out of direct sunlight.

Planning the installation

The unit supports horizontal or vertical mounting using a 200 x 200 mm VESA pattern, and a wall bracket is supplied. Dimensions without bracket are 972.5 x 572 x 82.6 mm, with a net weight of 6.5 kg and a gross weight of 9 kg. Confirm the wall structure before drilling. Power input is 100 to 240 VAC at 50 or 60 Hz, typically 65 W and up to 100 W, with standby at or below 0.5 W. Connectivity is one gigabit Ethernet port and optional external Wi-Fi. Bluetooth is not supported, and there is no video output for passing a signal on to another display.

SmartRooms Qatar offers a free site survey to check wall position, viewing height, cable routes and the power point before the unit is ordered. Professional installation is available, and we deliver to all eight municipalities of Qatar. Request a quote for the LDH43-LAI400L, and we will usually send a quotation within one working day, with bank transfer, cheque or purchase order payment options.

Highlights

43-inch 4K panel at 3840 x 2160 resolution, 16:9 ratio
Android 11 with quad-core CPU, 4 GB RAM and 32 GB storage
HDMI 2.1 input supporting 4K at 60Hz
Split-screen layouts in landscape or portrait orientation
Scheduling by time and location with operation reports
Encrypted data transmission, multi-level approval and terminal passwords
Operating range 0 to 40 °C; keep out of direct sunlight

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: 43 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); 100 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: 972.5 mm × 572 mm × 82.6 mm (38.29" × 22.52” × 3.25") (without bracket) (without wall mount bracket)
Packaging Dimensions: 1030 mm × 115 mm × 650 mm (40.55" × 4.53” × 25.59")
Net Weight: 6.5 kg (14.33 lb)
Gross Weight: 9 kg (19.84 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 LDH43-LAI400L_20240421.pdf 1.8 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 LDH43-LAI400L_DIMENSIONS.pdf 113 KB PDF Drawings & CAD LDH43-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 LDH43-LAI400L_A&E_20260908161750.docx 40 KB

Questions about LDH43-LAI400L

What is the Dahua LDH43-LAI400L best used for?

It is a 43-inch wall-mounted signage display for schedules, announcements, menus, wayfinding and promotional content in indoor spaces. Its 4K panel and Android 11 platform suit lobbies, reception areas and corridors where a screen runs for long periods. Because it plays content from internal storage, it can run a loop without a dedicated computer beside it.

Can it run 24 hours a day?

The manufacturer describes the panel as industrial grade and suitable for up to 24 hours of use per day. That suits a hospital corridor, hotel lobby or mall entrance where a screen is never switched off. Keep it in an air-conditioned room within its 0 to 40 °C operating range and away from direct sunlight.

Does it suit outdoor or sun-facing locations in Qatar?

No. The operating temperature range is 0 °C to +40 °C, and the manufacturer advises avoiding direct sunlight. Qatar summers can exceed 45 °C, so an outdoor forecourt, a covered terrace or a window-facing wall in direct sun falls outside the rating. Choose an indoor, air-conditioned position and confirm it with the SmartRooms Qatar team during the site survey.

What resolution and panel quality does it offer?

The panel is 43 inches with 3840 x 2160 resolution in a 16:9 ratio. Typical brightness is 500 cd/m², viewing angle is 178 degrees horizontally and vertically, and colour depth is 10-bit (8-bit plus FRC). Typical response time is 8 ms, and the surface has a 25% haze finish that helps reduce glare from windows and ceiling lights.

Which video formats and resolutions can it play?

The decoder handles H.265 HEVC up to 2160p at 60 fps, VP9 Profile 2 up to 2160p at 60 fps and H.264 AVC up to 2160p at 30 fps. Listed video containers are mp4, avi, mov, mkv and wmv, and listed audio formats are MPEG-3, WMA and WAV. Check that your exported files match these before loading them onto the display.

How do I connect a laptop or media player?

Use the HDMI 2.1 video input, which supports 4K at 60Hz. The unit has no video output, so it cannot pass a signal on to a second display. Other connections include a 3.5 mm mic jack, one USB 2.0 and one USB 3.0 Type-A port, a TF card slot up to 128 GB and a gigabit Ethernet port.

Is Wi-Fi included?

Wi-Fi is optional and requires an external Wi-Fi module, which is not listed among the supplied accessories. Bluetooth is not supported. For a stable link to a central scheduling platform, the wired RJ-45 gigabit Ethernet port is usually the simpler choice in offices, hotels and schools. Ask for the Wi-Fi module to be included in your quotation if cabling is not practical.

How is content managed across several screens?

The device uses a browser/server (B/S) architecture, so a central platform schedules programs by time and location and produces operation reports. Program releases can go through multi-level permission review, and each terminal can be protected with a password. Data transmission is encrypted, and the unit can be controlled remotely from the platform, which suits a group of schools or a retail chain.

Can it be mounted vertically for a portrait menu board?

Yes. The unit supports horizontal or vertical installation and landscape or portrait display modes. Mount it using the 200 x 200 mm VESA pattern and the bracket supplied. Portrait suits pharmacy queue screens, lift lobbies or restaurant menu boards. Confirm the wall can carry a 9 kg gross weight before drilling, and plan the bracket height for the viewing line.

What are the dimensions and weight?

Without its bracket, the unit measures 972.5 x 572 x 82.6 mm and weighs 6.5 kg net. The gross packed weight is 9 kg, and the packaging measures 1030 x 115 x 650 mm. The casing is black plastic. Before ordering, measure the wall space, check the delivery route through corridors or lifts, and mark the fixing points.

Does it run on Qatar's 240 V supply?

The power input is rated 100 to 240 VAC at 50 or 60 Hz, which covers Qatar's 240 V, 50 Hz mains. Typical consumption is 65 W, with a maximum of 100 W and standby at or below 0.5 W. Include a power point within reach of the mounting position in your site plan, so the cable can be concealed.

Can I order several units for a school under an LPO?

Yes. Schools, universities and offices can order several units under one local purchase order (LPO), and SmartRooms Qatar delivers to all eight municipalities of Qatar. Ask for one quotation covering each unit's bracket, power cord and remote control. Quotations are usually provided within one working day, and the products are covered by the manufacturer's warranty.