ASUS ZenBeam E1R videoproyector Proyector de alcance estándar 200 lúmenes ANSI LED WVGA (854x480) Plata

The different screen sizes which the device can work with.

The maximum length at which an image can be projected.

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

The aspect ratio is the ratio of the width of an image to its height. The native aspect ratio is the one which the projector/display is particularly designed for. Images shown in native aspect ratio will utilize the entire resolution of the display and achieve maximum brightness. Images shown in other than native aspect ratio will always have less resolution and less brightness than images shown in native aspect ratio.

Measures how much the camera can adjust its focus for distance shots. A 3x zoom ratio changes the camera's focal length by a factor of three, from 35 mm to 105 mm for example.

The supported protocols for exchanging analog signals.

Full High Definition (HD) means that a display supports a resolution of 1920 x 1080 pixel, and has a digital TV connection.

The device can be used with 3D technology.

USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.

Number of sockets /ports where headphones are connected.

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, video projector, digital television, or digital audio device. HDMI is a digital replacement for existing analog video standards.

Digital Visual Interface (DVI) is a video display interface to connect a video source to a display device, such as a computer monitor.

The socket/plug where the DC electricity supply connects to the device.

Smart TV features access to a large number of channels that offer TV programs, movies, and music without the need to connect a TV antenna or subscribe to a cable/satellite service. Some smart TVs provide web browsing, gaming, and access to compatible media content stored on computers.

An Ethernet LAN (Local Area Network) interface is present, for a wired conection via a cable.

The device includes a card reader e.g. a card reader in the disk bay of a computer or thin client to permit log-on using smart/pin cards.

High-bandwidth Digital Content Protection (HDCP) is a form of digital copy protection to prevent copying of digital audio and video content as it travels across connections.

The amplitude level of the undesired background noise, usually measured in decibels (db).