DELL C5518QT 55" 4K UHD Multi-Touch Screen Monitor - Black

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.

The illumination source used behind a display panel, such as LED, WLED, CCFL or LCD. It determines the brightness uniformity, power consumption and color performance of the screen.

Indicates whether the product includes a built‑in camera that can capture images or video directly, without requiring an external device. A value of "Yes" means the device has such a camera; "No" means it does not.

Indicates whether the product includes at least one built‑in microphone. A value of "Yes" means that the device has an integrated microphone, while "No" indicates it does not.

Indicates whether the product includes a slot for inserting a cable lock, such as a Kensington or similar security device.

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 proportion of a reference color space that a display can reproduce, expressed as a percentage. This metric indicates how closely the device’s screen matches standards such as sRGB, NTSC, DCI‑P3 or Adobe RGB, helping users compare visual fidelity across monitors and other visual devices.

The physical size of the headphone or audio jack that a product uses for connecting headphones, earbuds, or external speakers. Common sizes include "3.5 mm" and "2.5 mm", but other dimensions may also be used.

Der E‑Wert‑Code ist ein eindeutiger alphanumerischer Identifikator, der Dell-Produkten zugeordnet wird. Er dient zur Klassifizierung und zum schnellen Auffinden von Modellen innerhalb des Dell-Produktportfolios.

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 visual technology used by the product’s screen, such as LCD, LED, OLED, TFT or analog. It indicates the underlying display panel that determines image quality, color reproduction and power consumption.

The intensity 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.

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

The total count of distinct colours that a product’s display can reproduce. This value indicates the colour depth or gamut capability of the screen, helping users compare visual fidelity 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 maximum width and height of a display that can be viewed or used at one time, expressed as two dimensions separated by an ‘x’ (e.g., 527.04 x 296.46 mm). It indicates the usable visual space on the screen for content or interaction.

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 measured distance between the two opposite surfaces of a glass pane or panel, expressed in a linear unit such as millimeters (mm), centimeters (cm), or inches (in). This attribute helps users assess the durability, weight, and suitability of the glass for various applications.

Indicates whether a handheld device can be operated from a distance using an external remote control such as infrared, Bluetooth or Wi‑Fi. A value of "Yes" means the product supports remote operation; "No" indicates it does not.

A list of the HDMI ports available on the product, each entry indicating the number of ports and their specific HDMI version or additional features (e.g., "2 x HDMI 2.0b", "1 x HDMI 1.4 with CEC"). This attribute helps users understand both the quantity and capabilities of the HDMI connections.

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 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 illumination source used behind a display panel, such as LED, WLED, CCFL or LCD. It determines the brightness, energy efficiency and color accuracy of the screen.

The altitude interval (in meters) at which a product or component ceases to function correctly due to environmental factors such as reduced atmospheric pressure, temperature changes, or other elevation‑related effects. The value is expressed as a minimum–maximum range and applies to any device that has documented limits for operation above or below certain heights.

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 altitudes (in meters) at which a product or component can operate reliably without performance degradation due to changes in atmospheric pressure, temperature, or other altitude‑related effects.

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

The vertical dimension of a product’s packaging measured from its lowest to highest point. It is expressed in a physical unit such as millimetres, centimetres or inches and helps customers assess how tall the package will be when stored or shipped.

The horizontal measurement of a product’s packaging, expressed in a linear unit such as millimetres or inches. It indicates how wide the package is from one side to the other and helps customers assess fit for storage, shipping, or display.

Indicates whether a product has an audio input port that can receive external sound signals, such as a headphone jack, RCA connector or optical cable. The value is "Yes" if the device includes at least one such input and "No" otherwise.

Represents the physical size of a single pixel on a display, expressed as width and height in a length unit (e.g., millimeters). This attribute allows comparison of the physical resolution of screens or imaging devices that use metric units to describe the smallest visible point.

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 type of electrical supply that powers the device, such as mains AC, DC, USB, battery, or a combination of these options.

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.

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 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 the video resolutions and formats that a product can play or record, expressed in common notation such as "1080p", "720i" or combinations separated by commas. Each value represents an available mode for playback or capture.

Indicates whether a device’s display can detect multiple simultaneous touch points, enabling gestures such as pinch‑to‑zoom or multi‑finger scrolling. The value is "Yes" if the screen supports multi‑touch input and "No" otherwise.

The technology used by a device’s touch-sensitive display to detect user input. Common types include capacitive, resistive, infrared, and surface acoustic wave. This attribute helps users understand the interaction method, durability, and sensitivity of the touchscreen.

The range of vertical scan frequencies (in hertz) that a display device can support. 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.

The overall visual area of a monitor’s display measured along its diagonal, expressed in inches or centimeters. It indicates how large the screen appears to the user and is commonly used to compare monitors, televisions, laptops, tablets, and other electronic devices.

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.

Indicates whether the product can be securely mounted to a wall or other vertical surface using standard mounting hardware.

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.