Optoma 5861RK pizarra y accesorios interactivos 2,18 m (86``) 3840 x 2160 Pixeles Pantalla táctil Negro

Size of the display for this product

Brightness is the amount of radiating light emitted from the screen. The brightness rating is measured in candellas per square meter

Resolution of the display for the system

Type of supported High Definition (e.g. Full HD, 4K Ultra HD).

Backlighting is the illumination of a screen e.g. LCD (liquid crystal display). There are several types of backlighting with LEDs

The difference in light intensity between the brightest white and the darkest black.

A property of a display system

The response time is the time difference between the moment that a source (for example a video card) sends a signal and that equipment (for example a monitor) receives or display the signal. (Used abbreviations: R/F = Rise and Fall.)

A screen of a laptop

Technology of touch sensetive screen e.g. dual-touch.

There are a variety of touchscreen technologies that have different methods of sensing touch

Maximum horizontal angle at which a display can be viewed with acceptable visual performance.

Maximum vertical angle at which a display can be viewed with acceptable visual performance.

Type of operating system on a device e.g. IOS on Apple devices

Whether or not a processor is built into the device.

The number of central processing units ('cores') in a processor. Some processors have 1 core

The device contains speaker(s) to produce sound.

Popular technology that allows an electronic device to exchange data or connect to the internet wirelessly using radio waves.

An Ethernet LAN (Local Area Network) interface is present

The number of sockets (ports) for HDMI connections. HDMI (High-Definition Multimedia Interface) is a compact audio/video interface for transferring uncompressed video data and compressed/uncompressed digital audio data from a HDMI-compliant device ("the source device") to a compatible computer monitor