EPSON EB-L250F Data Projector Standard Throw Projector

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.

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 overall size of a product expressed as width, depth and height in a linear unit such as centimeters or inches. This attribute indicates the physical footprint that the item occupies and helps customers determine whether it will fit into a desired space, shipping container, or storage area.

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 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.

A list of items that come with the product as part of its standard package. Each entry describes a component or accessory such as cables, adapters, batteries, or manuals. The list helps customers understand what they will receive without needing to purchase additional accessories.

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 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.

Indicates whether the product includes an RS‑232 serial port for data communication, allowing connection to legacy devices or equipment that use this standard interface.

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.

Represents the count of external USB 2.0 (high‑speed) connectors available on a device. The value is an integer indicating how many USB 2.0 ports can be used for data transfer or power delivery from the outside of the product, regardless of internal placement or version.

The length of time for which the manufacturer guarantees that the product will be free from defects in materials and workmanship, typically expressed in years or months.