Viewsonic M2e

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 minimum and maximum f‑number (aperture value) that a camera lens or optical system can achieve, expressed as a numeric range (e.g., "F1.4-F16") or a single value when only one aperture is available. It indicates the zoom and light‑gathering capability of the lens.

The specific version of the Bluetooth standard supported by a product, expressed as a numeric value (e.g., 4.2, 5.0) or with additional descriptors such as "+HS" or feature lists. This attribute indicates the capabilities and compatibility for wireless communication.

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.

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.

List of the memory card types that a device can read or write, such as MicroSD (TransFlash), SD, MMC, CompactFlash, and others. Each value represents a format that the device’s slot or reader supports for storage expansion.

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 Harmonized System (HS) code is a standardized numerical identifier used internationally to classify traded goods. It consists of up to six digits, where each pair of digits represents progressively more specific product categories. The HS code facilitates customs duties, trade statistics, and regulatory compliance by providing a common language for describing products across borders.

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 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 total amount of digital storage available inside a device for holding files, applications and other data. It is expressed as a numeric value with an appropriate unit such as GB, MB or TB, allowing users to compare how much information the device can store.

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.

The amount of light emitted by a source, measured in lumens (lm). It indicates the brightness level that can be perceived by the human eye and is commonly used for lamps, bulbs, projectors, and other lighting devices.

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 largest capacity of a removable memory card that the device can support, expressed as a digital storage size (e.g., megabytes or gigabytes). It indicates the maximum amount of data that can be stored on an inserted card and is useful for comparing devices with different card slot capabilities.

The sound intensity produced by a product while operating in its economic or low‑power mode, expressed in decibels (dB). This value indicates how quiet the device is during energy‑saving operation and helps users assess suitability for quiet environments.

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 percentage by which a measurable attribute—such as brightness, contrast, or other performance metrics—deviates from its standard or reference value. It indicates how much the actual measurement is increased or decreased relative to the expected norm.

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.

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 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.

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 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 diagonal measurement ranges of screens that the product can project or display, expressed in millimeters and/or inches. It indicates the minimum and maximum screen sizes that the device is designed to handle.

The total operating hours a projector lamp can provide before it needs replacement, 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 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 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 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.