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Dahua Lite Series 55-inch LCD Digital Signage – LDH55-LAI400L

Dahua

Dahua Lite Series 55-inch LCD Digital Signage – LDH55-LAI400L

SKU LDH55-LAI400L

The Dahua LDH55-LAI400L is a 55-inch 4K LCD digital signage unit designed for continuous commercial operation. It features an Android 11 operating system, 500 cd/m² brightness, and remote platform management capabilities. SmartRooms Oman supplies this industrial-grade display for businesses in Muscat and across the Sultanate.

Screen size
55"
Resolution
4K UHD
System
Android 11
VESA
200 × 200 mm

Pricing

Price on request in OMR

Include in your quote
WhatsApp
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 (1.07 billion colours)
Brightness
500 nits

Built-in system

Operating System
Android 11
Processor
ARM 4× Cortex-A55, 1.92 GHz
RAM
4 GB
Storage
32 GB

Audio

Speaker Output
2 × 10 W

Description

This industrial-grade display is built for 24/7 reliability, making it suitable for high-traffic environments in Oman. The 55-inch IPS/VA panel delivers 3840 × 2160 resolution with 1.07 billion colors. It ensures clear visibility in well-lit spaces with 500 cd/m² typical brightness and wide 178-degree viewing angles.

Integrated Android 11.0 software allows for flexible content management via B/S architecture. Users can adjust split-screen layouts and manage programs by time and location. The unit supports encrypted data transmission and multi-level permissions for secure remote control and monitoring.

Ideal for: Digital information displays in Omani schools, corporate lobbies, and government offices requiring reliable 24/7 operation.

  • 4K Resolution Panel – Features a 55-inch LCD panel with 3840 × 2160 resolution and 500 cd/m² brightness for sharp, clear content display.
  • Android 11 Operating System – Powered by a quad-core 1.92 GHz CPU with 4 GB RAM and 32 GB ROM for smooth multimedia playback and app performance.
  • 24/7 Industrial Design – Constructed with an industrial-grade panel designed for continuous operation and long-term durability in commercial settings.
  • Remote Platform Management – Supports B/S architecture for unified platform control, allowing remote program scheduling and encrypted data transmission.
  • Versatile Connectivity – Includes HDMI 2.1 input, USB 2.0/3.0 ports, and a TF card slot for easy content access and media playback.
  • Flexible Installation – Supports horizontal or vertical mounting with a 200 × 200 mm VESA pattern, suitable for wall or stand placement.
  • Audio Output – Equipped with two built-in 10 W speakers and a 3.5 mm microphone jack for integrated audio solutions.
  • Included Accessories – Comes with a mounting bracket, remote control, power cord, and user manual for immediate setup and operation.

Specifications

Manufacturer specifications · confirmed on your quotation

Display

Screen Size
55 inch
Resolution
3840 × 2160 (4K UHD)
Display Color
10-bit (1.07 billion colours)
Brightness
500 nits
Backlight
Direct LED
Viewing Angle
178° (H) / 178° (V)

System

Operating System
Android 11
Processor
ARM 4× Cortex-A55, 1.92 GHz
RAM
4 GB
Storage
32 GB

Connectivity

HDMI Input
HDMI In × 1
USB Ports
USB 2.0 × 1, USB 3.0 × 1
Audio out
3.5 mm audio out
Ethernet
RJ45 × 1
Bluetooth
None
SD card slot
microSD card slot (up to 128 GB)

Camera & audio

Speaker Output
2 × 10 W

Physical & warranty

Dimensions
1243.7 × 728.7 × 79.3 mm
Weight
11.7 kg
Shipping Dimensions
1320 × 117 × 805 mm
VESA
200 × 200 mm
Mounting Orientation
Portrait / Landscape
Power Consumption
95 W (typical); 160 W (max)
Power Standby
≤ 0.5 W
Operating Temperature
0°C to 40°C
Operating Humidity
10% to 85% RH

Other

Key Features
Industrial-grade panel, 24/7 operation, quad-core A55 CPU, Android 11, 4K decoding, intelligent split-screen layout, B/S remote program management, encrypted data, password protection
Package Contents
Bracket, User's manual, Power cord, Legal and regulatory information, Remote control
More Information
Response time: 8 ms | Aspect ratio: 16:9 | Input voltage: 100–240 V AC, 50/60 Hz | Operating hours: 24/7

Complete the room

One quotation for the whole setup.

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

Downloads

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.
Is this Dahua signage available for purchase in Oman?

Yes, SmartRooms Oman supplies the Dahua LDH55-LAI400L. We provide itemised quotations in Omani Rial with VAT. Coverage includes all 11 governorates, from Musandam to Dhofar.

Does the device support 24-hour continuous operation?

Yes. The LDH55-LAI400L is designed with an industrial-grade panel intended for 24/7 use. It operates within 0 °C to +40 °C and handles high humidity levels.

Can I get a quotation for tender support?

Yes. Our tender support includes datasheets and compliance statements. We provide quotations in Arabic, English, or both, covering hardware, delivery, and labour in one quote.

What is the power consumption of this display?

The typical power consumption is 95 W, with a maximum of 160 W. Standby power is less than 0.5 W. It accepts 100–240 VAC input.

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