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Digital signage flat panel LG 55UR640S3ZD 55" (139.7 cm) LCD 4K Ultra HD 3840x2160 400 cd/m² Wi‑Fi Blue
LG 55UR640S3ZD is a 55" (139.7 cm) digital signage flat panel with 4K Ultra HD (3840×2160) LCD resolution and 400 cd/m² brightness. Designed for commercial display environments, this model combines high-resolution content reproduction with integrated connectivity and audio. The screen supports VESA mounting and comes in a blue housing intended for visible installations in retail, hospitality and public information spaces.
The panel delivers sharp 4K imagery with a 1300:1 contrast ratio and a brightness level of 400 cd/m² suitable for well-lit interiors. Built-in speakers and an integrated TV tuner permit straightforward deployment without external audio or broadcast equipment. Wi‑Fi connectivity simplifies content updates and remote management. VESA mounting support enables flexible placement on walls or digital signage stands, while the blue enclosure provides a distinctive appearance for branded or themed installations.
Mount the LG 55UR640S3ZD on a compatible VESA wall mount or place it on a signage stand following the manufacturer’s installation instructions. Connect power and use the available HDMI, USB or network interfaces to load content; enable Wi‑Fi to allow remote content updates and device management. If required, configure the integrated TV tuner and audio settings through the on-screen menu. Use appropriate mounting hardware and ensure adequate ventilation around the unit during continuous operation.
For reliable long-term operation in commercial settings, operate the display in ventilated, indoor environments away from direct sunlight. Schedule regular content updates and firmware checks when using Wi‑Fi connectivity, and consider centralised management software for multiple displays. When audio is critical, evaluate external amplification despite the built-in speakers to achieve higher sound levels in noisy environments.
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Device manufacturer code
Device manufacturer
iagonal of the visible part of the screen expressed in centimeters and inches.
Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.
Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.
Power consumption in switched-on state expressed in W.
Power consumption in switched-on state expressed in W.