NEC MultiSync E498 124.5 cm (49") IPS 350 cd/m² 4K Ultra HD Black 16/7

The frequency of the alternating current supplied to a power supply or charger, expressed in hertz (Hz). It indicates the acceptable operating range for the electrical mains that powers the device, ensuring proper functionality and safety.

The range of alternating current voltage that the product accepts from its power source, expressed in volts (V). It indicates the minimum and maximum supply voltages compatible with the device across different regions.

Indicates whether a device is equipped with an ambient light sensor that detects the intensity of surrounding light to adjust display brightness or other functions.

The proportion between the width and height of a display, image or video, expressed as two numbers separated by a colon (e.g., 16:9). It indicates whether content is designed for widescreen, square, or other aspect ratios.

A list of audio codecs and file formats that the product can play or output, such as AAC, MP3, FLAC, Dolby Digital, DTS, etc. Each value represents a supported combination of compression technology and file extension.

The linear measurement of the outer edge or frame surrounding a display, screen, or other product component, expressed in millimetres or inches. It indicates how wide the bezel is from one side to the other and helps customers assess fit, aesthetics, and compatibility with mounting brackets or protective cases.

The linear measurement of the bottom edge of a display or device’s bezel, expressed in millimetres or inches. It indicates how wide the lower frame is from one side to the other and helps customers assess fit, compatibility with mounting brackets, and overall design aesthetics.

The amount of light emitted by a display or projector, expressed in lumens (cd/m² for luminance). It indicates how bright the screen will appear under typical viewing conditions.

Indicates whether the product includes built‑in speaker(s) that can produce sound without requiring external audio devices. A value of "Yes" means the device has one or more integrated speakers; a value of "No" means it does not.

The total number of integrated speaker units present in the product. This value indicates how many separate speaker elements are built into the device, helping users compare audio capabilities across models.

A list of the cable types that are supplied with the product, such as USB, HDMI, VGA, DisplayPort, LAN (RJ‑45), SATA, audio or other relevant connectors.

A list of official certifications or compliance marks that the product has received from regulatory bodies, safety organizations, or industry standards groups. Each entry represents a distinct certification such as CE, FCC, RoHS, UL, or WEEE, and may include additional details like version numbers or specific test reports.

The colour or combination of colours that a product is available in, expressed as common names such as "Black", "Silver" or comma‑separated lists like "Black, White". It indicates the visual appearance of the item for consumers.

The total count of component (YPbPr) video input ports available on the device, indicating how many separate analog video signals can be connected simultaneously.

The contrast ratio is the proportion between the brightest and darkest luminance a display can produce, expressed as a simple ratio such as 1000:1. It indicates how well a screen can differentiate light from dark areas, affecting image clarity and color depth.

The linear measurement of an object from front to back or top to bottom, expressed in a physical unit such as millimeters, centimeters, inches, etc. It indicates how deep the item is and can be used for fitting, compatibility, or spatial planning.

The amount of light emitted per unit area from a display surface, measured in candela per square meter (cd/m²). It indicates how bright the screen will appear under typical viewing conditions and allows users to compare brightness levels across devices.

The pixel dimensions of a display or image, expressed as width by height (e.g., 1920x1080). It indicates how many pixels are used to render visual content and is commonly used for monitors, TVs, smartphones, cameras, and digital images.

The type of display panel used in a visual device, such as LED‑backlit LCD, IPS, TN, VA, OLED, or AMOLED. It indicates the underlying technology that determines image quality, color accuracy, viewing angles, response time and power consumption.

The total amount of electrical energy a product consumes over a period of 1 000 hours, expressed in kilowatt‑hours (kWh). This metric allows consumers to compare the long‑term energy usage of devices that operate for extended periods and estimate annual consumption based on typical usage patterns.

The total amount of electrical energy a product consumes during 1,000 operating hours, expressed in kilowatt‑hours (kWh). This metric allows comparison of energy efficiency across devices regardless of their typical usage patterns.

The energy efficiency class indicates the relative performance of a product, expressed with letters ranging from A+++ (most efficient) to G (least efficient). It allows consumers to compare expected operating costs and environmental impact across similar items.

The Harmonized System (HS) code is a standardized numerical identifier used internationally to classify traded goods. It consists of up to six digits, where each pair of digits represents progressively more specific product categories. The HS code facilitates customs duties, trade statistics, and regulatory compliance by providing a common language for describing products across borders.

The pixel dimensions of a product’s screen, expressed as width by height (e.g., 1920x1080). It indicates the total number of pixels that compose the display and is used to assess image sharpness and clarity across devices such as monitors, TVs, laptops, and cameras.

The vertical dimension of a product measured from its lowest to highest point. It is expressed in a physical unit such as millimetres, centimetres or inches and applies to any item where height is relevant, including books, electronics, furniture and other objects.

The level of contrast and color detail that a display or image can reproduce, indicating the ability to show darker shadows and brighter highlights with greater fidelity. It is typically expressed as a standard name such as HDR10, Dolby Vision, or DisplayHDR 400, and helps consumers compare visual performance across devices.

The range of frequencies, expressed in kilohertz (kHz), over which a device can process or display horizontal signals or scan lines. It indicates the minimum and maximum operating frequencies for horizontal scanning operations.

A list of the file extensions and codecs that a product can read, display, or record. Each value represents a valid format such as JPG, PNG, BMP, GIF, HEIF, WebP, RAW, etc., and may include both the extension and the associated codec name.

The type of LED backlighting used in a display panel, such as Direct‑LED, Edge‑LED, Full‑Array or other LED configurations. It indicates how the light source is arranged behind the screen to provide illumination and uniformity.

The number of times per second that a display updates its image when operating at its default or native settings, expressed in hertz (Hz). This value indicates the smoothness and responsiveness of motion on the screen under standard conditions and is useful for comparing how different displays perform without any adaptive or variable refresh features.

The range of relative humidity (in percentage) within which the product is designed to operate reliably. Values are expressed as a minimum–maximum interval such as "20 - 80 %" and indicate the acceptable environmental moisture level for optimal performance.

The range of temperatures in which a product can safely operate without risk of damage or performance degradation. Values are expressed in degrees Celsius (°C) and may represent a single temperature, a minimum–maximum interval, or an average operating point.

Indicates the preferred or supported orientation of a product, such as landscape, portrait, horizontal/vertical, or other directional settings. This attribute helps users understand how the device can be positioned for optimal use.

The pair of horizontal and vertical dimensions in millimetres that a product supports for VESA mounting (e.g., "100 × 100 mm"). This value indicates the exact hole spacing required by a mounting bracket to secure the device. It is used for monitors, TVs, projectors and other display equipment that can be wall‑mounted or attached to stands.

Represents the physical dimensions of a single pixel on a display or imaging device, expressed as width and height in a length unit (e.g., millimeters). This attribute allows comparison of the physical resolution across screens, cameras, and other pixel‑based technologies.

A list of the positions or mounting options where a product can be installed, such as indoor, outdoor, wall, desk, floor, ceiling, or universal. Each value represents a distinct placement scenario that the device supports.

The root‑mean‑square (RMS) power rating of a device, expressed in watts (W). It represents the average electrical power that the product can deliver or consume under normal operating conditions.

The diagonal measurement of a display screen expressed in units such as inches or centimeters. It indicates the overall visual area available for content and is commonly used to compare monitors, televisions, laptops, tablets, and other electronic devices.

Indicates the type of audio system integrated into a speaker or audio device, such as stereo, mono, or an integrated sound system.

The range of relative humidity (expressed as a percentage) within which the storage device is designed to operate reliably. Values are given as a minimum–maximum interval such as "10 - 90 %" and indicate the acceptable environmental moisture level for optimal performance.

The range of temperatures in which a device can safely operate without risk of damage or performance degradation. Values are expressed in degrees Celsius (°C) and may represent a single temperature, a minimum–maximum interval, or an average operating point.

A list of environmental, safety or quality certifications that a product has obtained from recognized authorities. Typical entries include RoHS, ENERGY STAR, CE, WEEE, TCO Certified, FCC, and other industry‑specific standards.

The range of vertical scan frequencies that a display device can support, expressed in hertz (Hz). It indicates the minimum and maximum refresh rates at which the screen updates vertically, affecting visual smoothness and stability.

A list of video file formats that the product can play or record, including both the compression codec and the file extension. Each value represents a valid combination of technology and format supported by the device’s hardware or software.

The horizontal viewing angle is the maximum width, measured in degrees, that a user can see across a display or screen while maintaining acceptable visual quality. It indicates how far left and right one can look without significant loss of clarity or distortion.

The mass of the product expressed in a standard unit such as grams or kilograms. It represents how heavy the item is and can be used for shipping calculations, handling instructions, or consumer information.

The horizontal measurement of a product, expressed in a linear unit such as millimetres or inches. It indicates how wide the item is from one side to the other and is used for sizing, fitting, and compatibility purposes.