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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.

Indicates whether a device is capable of displaying or supporting three‑dimensional content, such as 3D video playback, 3D graphics rendering, or compatibility with 3D display technologies. A value of "Yes" means the device can handle 3D formats and provide a stereoscopic viewing experience; "No" indicates it does not support 3D functionality.

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

The specific type of cable lock interface that a device provides for securing cables, such as Kensington, Noble, IBM or other standard locking mechanisms.

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.

Indicates whether a product can be securely mounted on a ceiling surface, typically using brackets or mounting hardware designed for overhead installation.

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 total count of composite (RCA) video input ports available on the device, indicating how many analog video signals can be connected simultaneously.

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.

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.

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

Maximum theoretical speed at which a device can send or receive data over its Ethernet LAN interface, expressed in megabits per second (Mbps) or gigabits per second (Gbps). It represents the upper bound of throughput under optimal conditions and is useful for comparing network performance between devices with wired connectivity.

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 focus control method used by a projector, such as manual focus, automatic focus (TTL), or combined auto/manual modes. The value is expressed as a free‑text string that describes how the user can adjust or lock the image focus.

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.

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.

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 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 electrical power rating of a lamp or light source, expressed in watts (W). It indicates the amount of energy the lamp consumes during operation or the maximum output it can deliver to connected devices.

A list of the functions or statuses that an LED indicator on a device can display, such as power status, activity, link, and other operational signals.

The kind of illumination technology used to produce light in a device, such as lamp, LED, laser, or hybrid combinations. It indicates the fundamental source that determines brightness, color temperature, and energy consumption.

A list of macOS operating system versions that the product supports or is compatible with, such as "macOS 10.15 Catalina", "macOS 11 Big Sur" or newer releases. Each entry represents a distinct OS version that can run on or be supported by the device.

Indicates whether the product includes a manual or not. A value of "Yes" means that a user‑handbook, instruction guide, or similar documentation is provided with the item; "No" indicates that no such 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.

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

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.

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 sound intensity produced by a product, expressed in decibels (dB) or sones. It indicates how loud the device is during operation and helps users assess suitability for quiet environments.

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.

Indicates whether a device requires the entry of a password to access sensitive functions or data, providing an additional layer of security against unauthorized use.

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.

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

Indicates the general classification or type of an item, such as "laptop", "projector", "router" or "paint". It helps users quickly identify the nature of the product and compare similar items across categories.

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.

The optical method used by a projector to create an image, such as DLP, LCD, LED or 3LCD. It indicates the underlying light‑processing system that determines brightness, color accuracy and overall visual performance.

The amount of light emitted by a projector, expressed in lumens (ANSI lumens). It indicates how bright the projected image will appear under typical viewing conditions.

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.

The method or mechanism used to operate a device remotely, such as infrared (IR), Bluetooth, Wi‑Fi, radio frequency, or wired connections. It indicates how the user can send commands to the product from a distance.

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.

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 range of screen diagonal sizes that a product can accommodate, expressed in millimeters or inches. It indicates the minimum and maximum screen dimensions supported by the device’s enclosure or mounting area, helping customers choose compatible displays.

Indicates whether the product supports separate horizontal and vertical synchronization signals, allowing independent control of timing for each scan line.

The type of serial communication interface supported by the product, such as RS‑232, RS‑485, RJ‑45, or SATA. It indicates which physical connectors and protocols are available for data exchange with other devices.

The total operating hours a lamp can provide before it needs replacement, expressed in units of time such as hours or days.

A list of the width‑to‑height proportions that a display or video format can use, expressed as two numbers separated by a colon (e.g., 16:9). This attribute indicates which aspect ratios are compatible with the product and helps users match content to the device.

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.

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.

The type(s) of USB connector(s) present on a device, such as Micro‑USB, USB Type‑C, USB Type‑A, or combinations thereof. This attribute indicates the physical ports that can be used for data transfer, charging, or peripheral connectivity.

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.

A list of the wireless networking protocols and frequency bands that a device can connect to, such as 802.11a, 802.11b, 802.11g, Wi‑Fi 4 (802.11n), Wi‑Fi 5 (802.11ac) or Wi‑Fi 6 (802.11ax). The values are typically separated by commas and may include both the technical name and a consumer‑friendly label.

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.

A list of Microsoft Windows operating system versions that the product is compatible with, including any relevant architecture or edition information.

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.

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.