AOC Style I2281FWH AH-IPS 21.5" LCD Computer Monitor - Black

Indicates whether the product comes with an AC power adapter included in the package. A value of "Yes" means a charger is supplied, while "No" indicates that no charger is provided and the user must obtain one separately.

The frequency of the alternating current supplied to the device, expressed in hertz (Hz). It indicates the acceptable operating range for the electrical mains that powers the product.

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

Indicates whether a monitor or graphics card supports AMD’s Adaptive Sync technology, FreeSync. A value of "Yes" means the device is compatible; "No" means it does not support the feature.

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.

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 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.

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 number of distinct colours that a display or image can represent, expressed as an integer value such as "16.7 million colours". This metric indicates the richness and fidelity of colour reproduction for visual media.

A colour is a visual attribute that describes the hue or shade of an object or surface. It can be a single dominant colour, a combination of colours, or a range such as "Black, White". The value may be expressed in common names (e.g., Black, Silver) or descriptive terms (e.g., One Colour, Assorted).

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 diagonal measurement of a display screen expressed in 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.

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.

A list of the possible mechanical adjustments that can be made to a display’s position, such as tilt, height adjustment, swivel, and pivot (rotation). It indicates which movements are available on the product so users know how they can orient or level the screen for optimal viewing.

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 visual appearance or texture of a product’s display surface, such as matte, glossy, or satin. It indicates how light reflects off the screen and can affect glare, visibility, and aesthetic preference for users.

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 type of visual panel or display technology used in a product, such as LCD, LED, OLED, TFT, IPS, AMOLED, or analog. It indicates the underlying technology that determines image quality, color reproduction, power consumption and suitability for different use cases.

Indicates how many DVI connectors are present on the product. The value is a simple integer representing the total count of DVI ports, regardless of type or version.

The dynamic contrast ratio is the proportion between the maximum and minimum luminance a display can produce while operating under normal conditions, expressed as a simple fraction such as 1200:1. It reflects how well a screen can differentiate light from dark areas during typical use, influencing perceived image quality.

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".

Indicates whether the product comes with an external power adapter in its packaging. A value of "Yes" means a charger is supplied; a value of "No" means no charger is included and the user must obtain one separately.

The pixel dimensions of a screen’s display expressed as width by height (e.g., 1920×1080). It indicates the number of pixels that can be shown on the monitor or device, affecting image sharpness and clarity.

Indicates whether a device supports HDCP (High‑bandwidth Digital Content Protection), allowing it to play or display protected digital content on compatible screens and audio/video equipment.

The specific version of the HDMI standard that a product supports, such as "2.0", "2.1" or "1.4b". This value indicates the capabilities and compatibility of the HDMI interfaces on the device.

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.

Indicates whether the product has a dedicated headphone output for connecting headphones or earphones. The value may be "Yes" or "No", or it can specify the type of connector such as "3.5 mm jack", "USB‑C", or other descriptive terms.

Indicates whether a product contains any heavy metals such as mercury (Hg), lead (Pb) or cadmium (Cd). The value is typically a comma‑separated list of the detected metal names, or the string "Yes" if none are present. This attribute helps consumers verify compliance with environmental and safety regulations.

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 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 represents how far left and right one can look without significant loss of clarity or distortion.

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.

A classification that indicates the target audience or use case for a product, such as Business, Gaming, Home & Office, Education, etc. It helps customers quickly identify which products are best suited to their needs.

The highest number of times per second that a display can update its image, expressed in hertz (Hz). It indicates the maximum refresh capability of the device and is useful for comparing visual performance across monitors, TVs, laptops, and other screen‑based products.

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 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.

Indicates whether the product includes an on/off switch that allows the user to power it on or off manually.

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 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 form of packaging used for a product, such as box, blister pack, bag, or pallet. It indicates how the item is contained and protected during shipping and storage.

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.

The specific technology used to construct the display panel, such as IPS, TN, VA, OLED, or LCD. It indicates how pixels are controlled and affects image quality, color accuracy, viewing angles, and power consumption.

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.

Indicates whether the product can be used immediately after installation without requiring additional configuration or drivers.

The linear distance that a power cable covers, expressed with a unit of length such as meters, centimeters or inches. It represents the total usable length of the cable for connecting devices and is useful for determining reach and compatibility with equipment.

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 the product is manufactured in accordance with the RoHS (Restriction of Hazardous Substances) directive, which limits the use of certain hazardous materials in electrical and electronic equipment.

The type of security slot built into a device, such as Kensington or Noble Wedge, which allows the attachment of a lock for physical protection.

Indicates whether the product comes with a stand or base included in the package. A value of "Yes" means a stand is supplied, while "No" indicates that no stand is provided and the user must obtain one separately.

The pixel dimensions that a device can output or support, expressed as width by height (e.g., 1920x1080). It indicates the maximum resolution available for display content on the product.

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.

The vertical angle at which a device can be tilted or adjusted, measured in degrees. It indicates how far up and down the user can move the device while maintaining acceptable performance or usability.

Indicates whether a product includes an integrated television tuner that can receive broadcast signals directly without requiring an external receiver. The value is "Yes" or "No", representing the presence or absence of this feature.

The range of frequencies (in hertz) at which a display can update its image vertically, indicating the minimum and maximum vertical scan rates supported by the device. It reflects how smoothly motion is rendered and helps users compare performance across monitors and projectors.

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 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.

Indicates whether a display or screen supports the widescreen aspect ratio (typically 16:9). A value of "Yes" means the device is designed for widescreen content, while "No" indicates it does not support that format.

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.