Epson EB‑520 UltraBeam

The amount of light emitted by a display or projector, expressed in lumens (cd/m² for luminance). It indicates how bright the screen will appear under typical viewing conditions.

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 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 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.

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

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 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 applied to monitors, TVs, projectors, laptops, tablets, and smartphones.

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 maximum electrical power that a device can deliver or consume, expressed in watts (W) or other appropriate units of power. This value represents the overall power capability of the product and is useful for comparing performance across similar 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.

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.