HDMI Switch enables 1, 2, or 3 devices with the HDMI (High-Definition Multimedia Interface), such as Xbox 360, PS3, DVD players, D-VHS players or satellite set top boxes, to output video and audio to one HDMI display device and switch between the connected devices via simple push button control on the front of the switch. The High-Definition Multimedia Interface (HDMI) is a compact audio/video connector interface for transmitting uncompressed digital streams. The advantage of HDMI Video Switch is that it only uses a single cable to connect from the HDMI video source to the HDMI / HDTV video display. The HDMI Switch is available with 1, 2, or 3 ports and maintains high video resolution up to 1080P while the Single Link Range is 1920x1200. The HDMI Switcher is compatible with all HDMI-equipped and HDCP-enabled HDTV devices. Video input and output types are standard HDMI ports. HDMI Video Switch is perfect for any environment including casinos, classrooms, conference rooms, remote monitoring & training facilities. features: -Quantity: 1. -Color: Black . -3 HDMI in, 1 HDMI out. -4 gold-plated HDMI female interface. -Convenient way to switch--just press the button on the switch box. -Fully compatible with HDMI 1.3b specification. -Supports 12-bit Deep Color, Full HD 1080P. -Supports with HDMI1.3b. -Maintain high resolution video, sharp HDTV resolutions up to 1080p, 1440p graphics and computer resolutions up to 1920 x 1200. -LED lights clearly show which HDMI device is being selected. -No software driver and external power supply needed. - NOTE: Not compatible with HDMI output devices without power adapter like satellite receiver. specification: Device Type: 3 In 1 Out 3 Port HDMI Switch. Interface Type: 3 HDMI in, 1 HDMI out. Dimension: 2.6 L x 2.6 W x 0.6 H (65 x 65 x 14 mm). Weight: 1.4 oz (40 g).