Optoma Compact LED 500

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 pixel dimensions of a display or image, expressed as width by height (e.g., 1920x1080). It indicates how many pixels are used to render the visual content and is commonly used for monitors, TVs, smartphones, cameras, and digital images.

The category of illumination technology used by the product, such as LED, halogen, incandescent, fluorescent, or specialized lighting systems like DLP or RGB. It indicates the underlying light source and helps buyers compare products based on brightness, color temperature, energy efficiency, and intended application.

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.

Indicates the type of audio system integrated into a speaker or audio device, such as stereo, mono, or an integrated sound system.