Acer B250i

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 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 product includes an air filter component that can be removed or cleaned to improve indoor air quality.

Total number of physical audio input connectors (left/right) available on the product, such as RCA or optical jacks. The value is an integer representing how many separate input points can be used to connect external audio sources.

Indicates whether the product comes with batteries included in the package. A value of "Yes" means that batteries are supplied, while a value of "No" indicates that no batteries are provided and must be purchased separately.

Indicates whether the product includes a built‑in screen or display unit that can be used directly for viewing content, such as an integrated monitor on a laptop or a built-in display on appliances. A value of "Yes" means the device has such a display; a value of "No" means it does not.

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.

Indicates whether the device includes a built‑in card reader that can read removable memory cards such as SD, microSD, MMC or similar formats.

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.

A list of operating system names and versions that the product can run or support, including specific architectures when relevant. Each value represents a distinct OS that is compatible with the hardware or software.

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.

Indicates whether the product includes an Ethernet LAN interface for wired network connectivity, allowing data transmission over RJ‑45 or compatible cables.

The distance from the optical center of a lens to its image plane when the lens is set at its working focus, expressed in a standard length unit such as millimetres or centimetres. It indicates the angle of view and zoom capability of an optical system and helps users compare lenses with different fixed focal lengths.

Specifies the focusing behavior of a camera or imaging device, indicating whether it uses automatic focus, manual focus, or a combination such as auto‑manual. The value is expressed as a free‑text string that describes the mode in use.

Indicates whether the product is capable of displaying or transmitting video at Full HD resolution (1920 × 1080 pixels). A value of "Yes" means that Full HD functionality is supported, while a value of "No" indicates it is not available.

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 measurement of a display’s diagonal, 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 horizontal keystone correction angle specifies the range of degrees by which a projector or screen can adjust horizontally to correct image distortion without loss of clarity. It is expressed as a minimum‑maximum value, such as –30° to +30°, and applies to any device that supports keystone adjustment.

The main illumination source used by the product, such as LED, laser, CCFL, or other light-emitting technologies. It indicates whether the device uses a single light source or multiple sources and helps users understand the lighting characteristics of the item.

Indicates whether a user manual—physical or digital—is provided with the product. A value of "Yes" means that a manual is included, while a value of "No" indicates that no manual is supplied.

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.

Indicates whether the product can transmit or receive high‑definition (HD) video signals over a mobile network connection. A value of "Yes" means the device supports HD content via cellular data, while "No" indicates that this capability is not available.

The proportion between the width and height of a screen or image, 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 and helps users match devices to their media formats.

The total count of distinct colours that a display can render, typically expressed in millions or billions. This figure reflects the colour depth and determines how smoothly gradients and subtle hues are reproduced on the screen.

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.

The type of electrical supply that powers the device, such as mains electricity, batteries, USB power, or a combination of these options.

The minimum and maximum distances, expressed in metres, at which a projector can display an image on a screen while maintaining acceptable sharpness and brightness. The value is represented as a range (e.g., "1.2 - 10 m"). This attribute helps users determine whether the projector will fit their room size.

A list of the different mounting or placement options available for a projector, such as Ceiling, Front, Rear, or combinations thereof. Each value indicates a supported configuration that determines where the projector can be positioned relative to the screen.

The pixel dimensions that a projector can output, expressed as width by height (e.g., 1920x1080). It indicates the native resolution of the projected image and is used to determine compatibility with source content and display quality.

Indicates whether a remote control is supplied with the product. A value of "Yes" means a remote is included, while "No" indicates that no remote control is provided and the user must obtain one separately.

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 total operating hours a light source can provide before it needs replacement, expressed in standard time units such as hours or days.

The total operating hours a lamp can provide before it needs replacement when running in an energy‑saving mode, expressed in units of time such as hours or days.

Indicates whether the product is a smart television that can connect to the internet and run applications or streaming services.

The electrical power output of each built‑in speaker in the product, expressed as a pair of values (e.g., "2 x 10 W" meaning two speakers each rated at 10 W). This attribute helps users compare audio performance and understand the power capacity of integrated speakers.

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

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.

The chemical composition of a battery that determines its performance, energy density, and suitability for different applications. Common chemistries include Lithium‑Ion, Nickel‑Metal Hydride, Alkaline, Lead‑Acid, and others.

The proportion between the distance from a projector to its screen and the width of the projected image, expressed as a simple ratio such as 2:1 or 1.5:1. It indicates how far the projector must be placed to achieve a desired screen size and is useful for planning installation space.

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 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.

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 the product has built‑in Wi‑Fi capability, allowing it to connect to wireless networks without requiring external adapters or dongles.

Indicates whether the product supports any form of optical or digital zoom, allowing the image or field of view to be magnified beyond its native resolution.