Dahua LDH55-EAO400L · Price in Qatar

Name: Dahua LDH55-EAO400L 55-inch Outdoor Wall-mounted Digital Signage
Brand: Dahua
SKU: dahua-ldh55-eao400l
Availability: InStock

Overview

The Dahua LDH55-EAO400L is a 55-inch wall-mounted LCD digital signage display for outdoor use. It pairs a 3840 × 2160 IPS panel with typical brightness of 2500 cd/m² and an Android 11.0 player that decodes 4K content and runs an intelligent split screen. Rated IP55 with a -20 °C to +45 °C operating range, it suits sheltered building entrances, transport concourses and industrial sites across Qatar. Request a quote.

A wall-mounted outdoor sign built for continuous running

The Dahua LDH55-EAO400L is a 55-inch wall-mounted LCD digital signage display from the manufacturer's Outdoor Series. It combines an IPS panel with a built-in Android 11.0 player, so one unit can show looping video, scheduled promotions, wayfinding and live information without a separate media box. Its metal casing is black, it uses fan cooling, and it is designed to run up to 24 hours a day.

Image quality and brightness

The panel has a 3840 × 2160 resolution in a 16:9 landscape format and uses a DLED backlight. Typical brightness is 2500 cd/m², typical contrast is 1,200:1, and typical response time is 8 ms. The 10-bit (8-bit + FRC) colour depth provides 1.07 billion colours, and viewing angles reach 178 degrees horizontally and vertically. Reflectivity is below 3 percent, which helps reduce glare on the screen surface.

Playback, storage and connections

A quad-core A55 processor running at 1.92 GHz, 4 GB of RAM and 32 GB of ROM handle playback. The player decodes H.265 up to 2160p at 60 fps and H.264 up to 2160p at 30 fps, so 4K content plays without an external media player. Connectivity includes one HDMI 2.1 input at 4K and 60 Hz, one gigabit Ethernet RJ-45 port, one USB 2.0 port, one USB 3.0 port and a TF card slot up to 128 GB. Wi-Fi is not fitted as standard and Bluetooth is not included. Audio comes from two 5 W speakers and a 3.5 mm output, and an IR receiver is fitted.

Where it fits in Qatar

Covered building entrances in West Bay or Lusail: a wall-mounted sign for tenant information or event promotion in a shaded lobby or colonnade.
Transport and concourse areas: wayfinding and timetable content near ticket halls or bus stops, where the sign runs through the working day.
Industrial and campus sites: safety notices and site announcements for staff in Mesaieed or the Industrial Area, mounted under a canopy away from direct sun.

What to plan before you order

Base the mounting spot on three figures from the data: the 45 °C upper operating limit, the IP55 rating and the 118 kg net weight. Summer temperatures in Qatar regularly exceed 45 °C where a screen faces direct sun, so choose a shaded wall, allow airflow around the casing and review the thermal situation with the SmartRooms Qatar team. The wall must carry the load and the supplied wall-mount bracket must be fixed to suitable structure. Confirm the 220 VAC power rating against Qatar's 240 V supply with your electrical contractor.

SmartRooms Qatar offers free site surveys, so the structural and thermal checks can happen before the quotation is issued. The team delivers to all eight municipalities of Qatar, arranges professional installation and usually issues quotations within one working day. Purchase orders (LPOs) and government tenders are accepted. Request a quote for the LDH55-EAO400L with your mounting location, quantity and content plan, and the team will confirm the lead time, which depends on stock, when the quotation is issued.

Highlights

55-inch 3840 × 2160 IPS panel with 2500 cd/m² typical brightness
IP55 rating and operating range of -20 °C to +45 °C
Android 11.0 with quad-core A55 CPU at 1.92 GHz
Decodes H.265 and H.264 up to 2160p, with HDMI 2.1 input
Intelligent split screen and scheduling by time and location
Ships with wall-mount bracket; 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

45 specifications · Source: manufacturer · checked Oct 2026

LCD Panel10

Panel Dimensions: 55 inch
Backlight: DLED
LCD Technology: IPS
Aspect Ratio: 16: 9
Brightness: 2500 cd/m² (typ.)
Contrast: 1200: 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.)

Built-in System5

Operating System: Android 11.0
CPU: 4 cores A55, 1.92 GHZ
RAM: 4 GB
ROM: 32 GB
Video Decoding: H.265 HEVC MP-10@L5.1 up to 2160p@60 fps H.264 AVC HP@L5.1 up to 2160p@30 fps VP9 Profile 2 up to 2160p@60 fps H.264 MVC up to 1080p@60 fps MPEG-4 ASP@L5 up to 1080p@60 fps (ISO-13818) WMV/VC-1 SP/MP/AP up to 1080p@60 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: No (Can be customized)
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 output
IR Receiver: Yes

Speaker1

Built-in Speaker: 2 × 5 W

General General17

Power Supply: 220 VAC, 50/60 Hz
Power Consumption: ≤450 W
Operating Temperature: -20 °C to +45 °C (–4 °F to +113 °F)
Storage Temperature: –20 °C to +60 °C (–4 °F to +140 °F)
Operatng Humidity: 5%–90% (RH), non-condensing
Storage Humidity: 5%–90% (RH), non-condensing
Protection Level: IP55
Cooling Method: Fan-cooling
Product Material: Metal casing
Casing Color (Frame/Rear): Black
Product Dimensions: 1450 × 920 × 150mm (without wall mount bracket)
Packaging Dimensions: 1620 × 1190 × 400mm
Net Weight: 118kg(260.1lb)
Gross Weight: 136kg(299.8lb)
Installation: Wall mount
Display Mode: Landscape only
Accessory: Wall-mount bracket, user's manual, legal and regulatory information

Certification1

Certifications: CE, ERP

Downloads

3 files from the manufacturer

PDF Datasheets LDH55-EAO400L_20241105.pdf 454 KB PDF Manuals & guides Maintenance for LDH55-EAO400.pdf 1.4 MB PDF Drawings & CAD LDH55-EAO400L_DIMENSIONS.pdf 37 KB

Questions about LDH55-EAO400L

What is the Dahua LDH55-EAO400L designed for?

It is a 55-inch wall-mounted LCD digital signage display from the Outdoor Series, built to show advertising, wayfinding and information around the clock. It is rated for operation up to 24 hours a day and suits covered building façades, car park entrances and transport concourses in Qatar, provided the mounting position stays within its IP55 rating and -20 °C to +45 °C operating range.

Can it cope with Doha summer temperatures?

The operating range is -20 °C to +45 °C and storage is rated up to +60 °C. Summer temperatures in Qatar can exceed 45 °C where a screen faces direct sun, so it should sit in a shaded position with airflow around its fan-cooled casing. A free SmartRooms Qatar site survey can check orientation and shading before the quotation is finalised.

How bright is the screen for daytime viewing?

The panel has a typical brightness of 2500 cd/m², a typical contrast ratio of 1,200:1 and 178-degree horizontal and vertical viewing angles. Daytime legibility depends on glare and the sun angle at the chosen wall, so compare these figures with the real location during a site survey. Reflectivity is listed as below 3 percent.

Does it have Wi-Fi or Bluetooth?

Wi-Fi is not fitted as standard, although the manufacturer notes it can be customised, and Bluetooth is not included. Networking is through the gigabit Ethernet RJ-45 port, which suits a centrally managed display. Ask the SmartRooms Qatar team to confirm whether a customised Wi-Fi option is available before you request a quote.

How is content scheduled and managed across several screens?

The device works with a unified management platform using B/S architecture. Programmes can be scheduled by time and by location, operation reports are generated, and the unit can be controlled remotely from the platform. Data transmission is encrypted, program releases can pass multi-level permission review, and each terminal can be password protected, which helps IT teams run several signs across sites.

What does the intelligent split screen do?

It divides the 16:9 landscape display into zones and lets you adjust the page layout freely, so one screen can show a video, a clock and a text ticker together. This suits a shopping mall directory in Doha, queue information in a clinic or a rates board in a bank branch. Your content plan determines the zones, and the team can help map them during the quotation.

Which inputs and ports are fitted?

The unit has one HDMI 2.1 input supporting 4K at 60 Hz, one RJ-45 port for 10/100/1000 Mbps Ethernet, one USB 2.0 port, one USB 3.0 port and a TF card slot up to 128 GB. A 3.5 mm audio output is also fitted. There is no video output, so the signal cannot be passed on to a second display.

Which video formats and codecs can it play?

The player decodes H.265 HEVC up to 2160p at 60 fps, H.264 AVC up to 2160p at 30 fps and VP9 Profile 2 up to 2160p at 60 fps, with MPEG-4 and WMV/VC-1 up to 1080p. Supported container formats include mp4, avi, mov, mkv and wmv, and audio formats listed are MPEG-3, WMA and WAV. Prepare 4K content in these formats before loading it onto the display.

What electrical supply does it need?

The data lists a 220 VAC, 50/60 Hz supply with power consumption of up to 450 W. Qatar's mains supply is 240 V at 50 Hz, so your electrical contractor should confirm compatibility and the socket arrangement before installation. The SmartRooms Qatar team will review this point while preparing the quotation for your site.

How heavy is it and what does the wall need to take?

The net weight is 118 kg, the gross weight is 136 kg, and the product measures 1450 × 920 × 150 mm without the bracket. A unit of this size and load needs a structural check of the wall and bracket fixing points, so a free site survey is recommended before the quotation. The survey also confirms whether lifting equipment can reach the mounting position safely.

Can it be installed on a covered mall or hotel façade in Qatar?

Yes, provided the position is covered and out of direct sun. IP55 means the casing is protected against dust and low-pressure water jets. It is wall-mounted only and works in landscape orientation only, so the mounting height and viewing angle should suit pedestrian flow at the entrance. Shade is advisable given the 45 °C upper operating limit.

Can a government entity or school order it through a purchase order?

Yes. SmartRooms Qatar accepts purchase orders (LPOs) and government tenders, delivers to all eight municipalities and usually issues quotations within one working day. Payment can be made by bank transfer, cheque or purchase order. For a multi-screen project, send the number of units, the mounting locations and your content plan so the quotation covers every site.