Dahua

Dahua 55-inch Indoor Wall-mounted LCD Digital Signage – LDH55-SAI400L V2

Name: SmartRooms Oman
Address: Muscat, OM
Telephone: +968 9664 1360

SKU LDH55-SAI400L V2

The Dahua LDH55-SAI400L V2 is a 55-inch indoor wall-mounted LCD digital signage display. It features 4K UHD resolution and Android 11 for content management. SmartRooms supplies this unit across Oman, including Muscat and Salalah.

Screen size: 55"
Resolution: 4K UHD
System: Android 11
VESA: 400 × 400 mm

Pricing

Price on request in OMR

Include in your quote

Installation Mounting / trolley Tender documents

Written quote usually within one business day Download datasheet (PDF)

Written quotation in OMR

Pricing, availability and warranty on one document.
Manufacturer warranty

Terms confirmed on your quotation.
All 11 governorates

Delivered from Muscat to Dhofar.
Quotations in Arabic & English

Ask for Arabic, English or both.

The product, in detail.

Screen and picture

Screen Size: 55 inch
Resolution: 3840 × 2160 (4K UHD)
Display Color: 10 bit (8 bit + FRC), 1.07 billion colours
Brightness: 500 nits (typical)

Built-in system

Operating System: Android 11
Processor: Quad-core A55, 1.92 GHz
RAM: 4 GB
Storage: 32 GB

Audio

Speaker Output: 2 × 5 W

Description

This 55-inch display delivers 3840 × 2160 resolution on an IPS or VA panel with 500 nits brightness. The metal casing houses a quad-core processor and 4 GB RAM for smooth Android 11 operation. It supports landscape or portrait orientation via a 400 × 400 mm VESA mount.

Built-in Wi-Fi and Gigabit Ethernet ensure reliable connectivity for remote platform management. The device handles split-screen layouts and time-based scheduling for diverse scenes. It operates 24/7 in temperatures from 0 to 40 °C, with HDMI 2.1 and USB ports for media input.

Ideal for: Omani corporate lobbies, university notice boards, and ministry information desks requiring 24/7 reliable indoor display.

4K UHD Clarity – The 55-inch screen provides 3840 × 2160 resolution for sharp text and video content in indoor settings.
Android 11 OS – Integrated Android 11 with a quad-core A55 processor allows direct content playback and app support without external players.
Industrial Panel – An industrial-grade panel ensures 24/7 operation with a typical brightness of 500 nits and a 1,200:1 contrast ratio.
Remote Management – B/S architecture enables unified platform management, time/location scheduling, and remote control for distributed displays.
Wall Mount Design – The lightweight metal casing fits standard 400 × 400 mm VESA mounts, supporting both landscape and portrait orientations.
Connectivity Options – Includes HDMI 2.1, USB 2.0, USB 3.0, and Gigabit Ethernet for versatile input and network integration.
Built-in Audio – Dual 5 W speakers provide basic audio output for presentations or informational signage without external sound systems.

Specifications

Manufacturer specifications · confirmed on your quotation

Display

Screen Size: 55 inch
Resolution: 3840 × 2160 (4K UHD)
Display Color: 10 bit (8 bit + FRC), 1.07 billion colours
Brightness: 500 nits (typical)
Backlight: ELED
Viewing Angle: 178° (H) / 178° (V)
Surface Protection: Haze 25%

System

Operating System: Android 11
Processor: Quad-core A55, 1.92 GHz
RAM: 4 GB
Storage: 32 GB

Connectivity

Ethernet: 1 × RJ-45, 10/100/1,000 Mbps
Wi-Fi: 802.11 a/b/g/n/ac/ax, 2.4 GHz and 5 GHz
SD card slot: TF card slot, up to 128 GB
Connectivity Options: HDMI 2.1 In × 1, USB 2.0 × 1, USB 3.0 × 1, RJ-45 × 1, 3.5 mm audio out × 1

Camera & audio

Speaker Output: 2 × 5 W

Physical & warranty

Dimensions: 1232.6 × 703.4 × 25.0 mm (without bracket)
Weight: 20.5 kg (net)
Shipping Dimensions: 1324 × 805 × 130 mm
Shipping Weight: 25.3 kg (gross)
VESA: 400 × 400 mm
Mounting Type: Wall mount
Mounting Orientation: Landscape or portrait
Colour: Black
Material: Metal casing
Power Consumption: 123 W (typical), 152 W (maximum)
Power Standby: 0.5 W or less
Operating Temperature: 0 to 40 °C (avoid direct sunlight)
Operating Humidity: 10% to 85% RH, non-condensing
Certifications: CE EMC, CE LVD, CE ERP, RED

Other

Type: Digital Signage Display
Key Features: 4K decoding, Android 11, Split-screen layouts, Time and location scheduling, Remote platform management, 24/7 operation, Built-in speakers, Landscape or portrait
Package Contents: Wall-mount bracket, remote control, user manual, energy label, legal and regulatory information
More Information: Contrast ratio: 1,200:1 (IPS, typical); 4,000:1 (VA, typical) | Aspect ratio: 16:9 | Response time: 8 ms | Panel technology: IPS / VA | Input voltage: 100–240 V AC, 50/60 Hz | Storage conditions: -20 to 60 °C; 10% to 90% RH, non-condensing | Bezel: 10.3 mm

Complete the room

One quotation for the whole setup.

Select what else the room needs — we will price it together, with delivery and installation.

Installation Mounting / trolley Tender documents

Downloads

Datasheet PDF · English · 6.3 MB

Delivery & installation in Oman

Delivered to Muscat, Salalah, Sohar, Nizwa and every other governorate, with installation available through our partner teams. Lead time for this model is confirmed on your written quotation.

Stock held in Muscat for fast-moving models — ask for current availability.

Questions about ordering

How do I get a price?

Ask for a written quotation. Use Request pricing on any product page, WhatsApp +968 9664 1360 or email sales@smartrooms.me with the model or part number, the quantity, the delivery location in Oman and whether installation is needed. The quotation covers pricing, availability, warranty and installation options.

Do you deliver across Oman, and how long does it take?

Yes — to Muscat, Salalah, Sohar, Nizwa and the other governorates. Lead time depends on the model, quantity and configuration, so it is confirmed in writing on the quotation and again when your purchase order is acknowledged.

Do you install?

Yes. Installation is available across Oman through our partner installation teams. Its scope — mounting, cabling, positioning, commissioning and handover — is written into the quotation, so anything outside it is clear before the visit.

What warranty applies?

The manufacturer's warranty applies, with the terms confirmed on your quotation. The quotation states the warranty holder, period and service level, and we coordinate any claim with the manufacturer or its authorised service partner on your behalf.

Do you support government tenders?

Yes. We quote tender quantities and supply what a tender file needs: an itemised quotation addressed to your entity, manufacturer datasheets, technical compliance sheets, the delivery and installation scope, and a warranty statement.

Can I get the quotation in Arabic?

Yes — in Arabic, English or both. Manufacturer datasheets are usually published in English.

Can SmartRooms supply this signage in Oman?

Yes, SmartRooms is an authorised reseller. We provide itemised quotations in Omani Rial with VAT for all 11 governorates. Delivery and installation are handled by partner teams across Muscat, Sohar, and Salalah.

Does the LDH55-SAI400L V2 support remote management?

Yes. The device uses B/S architecture for unified platform management. Administrators can control content, schedule broadcasts by time and location, and generate operation reports remotely.

Is this display suitable for government tender documentation?

Yes. Our tender support team provides datasheets and compliance statements for government tenders. We can issue quotations in Arabic, English, or both to meet official documentation requirements.

What is the operating temperature range?

The display operates within 0 to 40 °C. It is designed for indoor use and should be kept away from direct sunlight to maintain performance and longevity.

What is included with the unit?

The box contains the wall-mount bracket, remote control, user manual, energy label, and legal information. It does not include external media players or mounting screws.

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