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LG 55UM5N-H 55-inch UHD Digital Signage

LG

LG 55UM5N-H 55-inch UHD Digital Signage

MPN 55UM5N-H;55UM5N-H.AMAD;55UM5N-H.AMND SKU 55UM5N-H

The LG 55UM5N-H is a 55-inch UHD digital signage monitor designed for continuous commercial use. Featuring a 3840 × 2160 IPS panel, 500nit brightness, and webOS6.0, it supports 24/7 operation. SmartRooms Oman supplies this display for corporate, educational, and government installations across the Sultanate.

Screen size
55"
Resolution
4K UHD
Storage
16 GB
Operating System
webOS 6.0

Pricing

Price on request in OMR

Include in your quote
WhatsApp
Written quote usually within one business day

  • 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)
Brightness
500 nits
Backlight
LED

Built-in system

Operating System
webOS 6.0
Storage
16 GB

Ports and connections

HDMI Input
HDMI In × 3
HDMI Output
HDMI Out × 1
DisplayPort
DisplayPort In × 1
USB Ports
USB-A 2.0 × 1

Description

This 55-inch display delivers sharp 4K clarity with an IPS panel and 178-degree viewing angles, ensuring content remains visible from multiple positions. The 500-nit brightness and 1,100:1 contrast ratio provide clear visuals in well-lit Omani environments. Its 12.4mm top/bezel and 11.4mm side bezels allow for near-seamless video wall configurations.

Running on webOS6.0, the 55UM5N-H includes built-in Wi-Fi, 16GB internal memory, and LG’s webOS Content Player for flexible content management. It supports 24/7 operation with auto-brightness, temperature, and acceleration sensors to maintain performance. Connectivity includes three HDMI inputs, DisplayPort, LAN, and RS232C for reliable integration.

SmartRooms Oman offers this LG signage model to schools, ministries, and companies in Muscat, Sohar, Salalah, and Nizwa. We provide itemised quotations in Omani Rial with VAT shown, covering hardware, delivery, and installation labour. Our team supports government tenders with datasheets and compliance statements upon request.

Ideal for: Corporate lobbies, university campuses, government ministries, and retail environments in Oman requiring reliable 24/7 digital signage.

  • UHD Clarity – 55-inch IPS panel with 3840 × 2160 native resolution and 500nit brightness for clear, vibrant visuals.
  • Commercial Durability – Designed for 24/7 operation with auto-brightness, temperature, and acceleration sensors for stable performance.
  • Smart Connectivity – Built-in Wi-Fi, three HDMI 2.2 inputs, DisplayPort, LAN, and RS232C for flexible system integration.
  • Video Wall Ready – Thin bezels (T/B: 12.4mm, R/L: 11.4mm) and tile mode support (max 15×15) for seamless multi-screen setups.
  • webOS6.0 Platform – Runs webOS6.0 with 16GB internal memory, local scheduling, and group manager for easy content control.

Specifications

Manufacturer specifications · confirmed on your quotation

Display

Screen Size
55 inch
Resolution
3840 × 2160 (4K UHD)
Brightness
500 nits
Backlight
LED
Viewing Angle
178° (H) / 178° (V)

System

Operating System
webOS 6.0
Storage
16 GB

Connectivity

HDMI Input
HDMI In × 3
HDMI Output
HDMI Out × 1
DisplayPort
DisplayPort In × 1
USB Ports
USB-A 2.0 × 1
Audio out
Audio Out × 1
Ethernet
RJ45 × 1
Wi-Fi
Built-in
Serial Port
RS-232 In × 1, RS-232 Out × 1
Connectivity Options
HDMI, DisplayPort, USB, RS-232, Ethernet, Audio Out, IR Receiver, Pixel Sensor

Physical & warranty

Dimensions
1237 × 710 × 57.7 mm
Weight
14.2 kg
Shipping Dimensions
1360 × 810 × 162 mm
Mounting Orientation
Portrait & Landscape
Tilt
Up to 30° (face down)
Power Consumption
130 W (typical)
Power Standby
0.5 W
Operating Temperature
0 to 40 °C
Operating Humidity
10% to 80% RH
Warranty
1 year

Other

Key Features
webOS 6.0, Built-in Wi-Fi, 16 GB storage, Auto brightness sensor (IR), Built-in speaker, Tile mode up to 15×15, PIP and PBP, Daisy chain, Crestron Inside
Package Contents
Remote Controller, Power Cord, QSG, Regulation Book, Phone to RS-232C Gender
More Information
Panel technology: IPS | Aspect ratio: 16:9 | Input voltage: 100–240 V AC, 50/60 Hz | Bezel: 12.4 mm (T/B), 11.4 mm (L/R) | IP rating: IP5X | Operating hours: 24/7 | Contrast ratio: 1,100:1 | Response time: 8 ms (GtG)

Complete the room

One quotation for the whole setup.

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

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.
Does SmartRooms Oman supply the LG 55UM5N-H?

Yes, we are an authorised reseller and can provide this LG signage display. We issue itemised quotations in Omani Rial with VAT shown for customers in Muscat, Sohar, Salalah, and all other governorates.

Is the LG 55UM5N-H suitable for 24/7 operation?

Yes, this model is rated for 24-hour daily use. It includes internal sensors for temperature, brightness, and acceleration to automatically adjust settings and maintain reliability in continuous commercial environments.

Can this display be used for video walls?

Yes, the 55UM5N-H supports tile mode settings for up to a 15×15 configuration. Its thin bezels (12.4mm vertical, 11.4mm horizontal) help minimise gaps between screens for a cohesive visual presentation.

Does SmartRooms Oman support government tenders for this product?

Yes, we provide tender support including datasheets and compliance statements. Our team can prepare quotations in Arabic, English, or both, covering hardware, delivery, and installation labour for official procurement processes.

What is the response time of the LG 55UM5N-H?

The panel has a response time of 8ms (Tr) and 10ms (Tf). This specification ensures smooth motion handling for standard signage content, presentations, and video playback in commercial displays.

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