EV2451B

Indicates whether the product has built‑in support for 3‑dimensional (3D) content or displays. A value of "Yes" means the device can render or display 3D images, videos, or games; a value of "No" means it does not have native 3D capability.

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.

The total amount of electrical energy a product consumes in one year, expressed in kilowatt‑hours (kWh). This figure represents the expected yearly operating cost and allows consumers to compare the long‑term efficiency of appliances or electronics.

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

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 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 horizontal digital frequency indicates the range of frequencies, expressed in kilohertz (kHz), over which a device can process or transmit horizontal digital signals. It is represented as a minimum–maximum interval and helps users understand the signal bandwidth supported by the product.

The range of frequencies, in hertz (Hz), at which a display device can refresh its image vertically when operating in digital mode. It indicates the minimum and maximum vertical scan rates supported, helping users assess visual smoothness and compatibility with various content sources.

The total count of distinct colours that a display can render, typically expressed as a numeric value (e.g., 16.78 million). This attribute indicates the colour depth and richness of the visual output; higher numbers generally mean more accurate and vibrant images.

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 count of physical or virtual display output connections available on a device, such as HDMI, DisplayPort, DVI, VGA, or USB‑C ports that support video output.

The energy efficiency class indicates the relative energy 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 level of a product’s compliance with the EPEAT (Electronic Product Environmental Assessment Tool) program, indicating how well it meets environmental and sustainability criteria. Typical levels are "Gold", "Silver" or "Bronze".

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.

Indicates the types of headphone or earphone connections available on a product, such as wired jacks (e.g., 3.5 mm), USB‑C, Lightning, or wireless Bluetooth. The value may list one or more connection types separated by commas.

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 ability of a product to change its vertical dimension, typically measured in millimetres, centimetres or inches. It indicates whether the user can raise or lower the item and, if so, by how much. This attribute applies to monitors, desks, furniture, stands and other equipment that offer adjustable height.

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.

The highest electrical power that a device can draw or consume during operation, expressed in watts (W). It represents the peak energy usage of the product and is useful for estimating maximum power requirements, comparing efficiency across similar devices, and ensuring compatibility with power supplies.

The total number of distinct languages that can be displayed on the screen‑on‑display (OSD) interface of a device, such as a monitor or TV. It indicates how many language options are available for menu navigation, subtitles, and other on‑screen text, allowing users to choose their preferred language when interacting with the product.

The total count of individual speaker units included in the product. It indicates how many separate speakers are present, whether built‑in or external, and helps users compare audio capabilities across models.

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.

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.

The time interval between a stimulus and the corresponding response of a device or system, expressed in units such as milliseconds (ms). It indicates how quickly the product reacts to input or processes data, which is critical for performance-sensitive applications like displays, gaming monitors, and interactive devices.

Indicates whether a product, such as a monitor or other device, can rotate around its vertical axis to adjust viewing angle. A value of "Yes" means the item supports swiveling; "No" means it does not.

Indicates whether a product can be tilted or adjusted vertically, allowing the user to change its viewing angle. A value of "Yes" means the device supports tilt; "No" means it does not.

Represents how many TVI (Television Interface) connectors are present on the product. The value is a simple integer indicating the total count of TVI ports, regardless of version or configuration.

The specific USB standard version supported by the hub, expressed as a generation and revision (e.g., "3.2 Gen 1" or "3.0"). This indicates the maximum data transfer rate and compatibility with connected devices.

The total number of USB connectors available on the product, regardless of type or version. This value is a simple integer that indicates how many USB ports the device provides for connecting peripherals such as keyboards, mice, storage devices, and other accessories.

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.

Indicates whether a product supports the VESA mounting standard, which defines the size and placement of mounting holes on displays or monitors. The value can be "Yes" or "No", or it may specify one or more VESA patterns such as "100 × 100 mm" to indicate the exact dimensions supported.

Indicates the dimensions of VESA mounting patterns supported by the product, expressed as pairs of horizontal and vertical measurements in millimetres (e.g., "100×100 mm"). The value may be a single pattern or a comma‑separated list of multiple compatible sizes.

The width of the display area that a user can see without distortion, measured in a physical unit such as centimeters or inches. It represents the actual horizontal span of the screen that is visible when looking straight at it.

The maximum vertical dimension of the visible area on a display screen, expressed as a linear measurement (e.g., centimeters or inches). It indicates how tall the portion of the screen that can be seen by a user is, which helps compare monitors and other visual devices.

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 total mass of a product including any attached stand or base, expressed in a standard unit such as grams or kilograms. This measurement is useful for shipping calculations, handling instructions, and 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.