Auto switch: automatically selects the priority of incoming video signals for display plug & play: provide additional high-definition digital inputs for sources including dvd player, blu-ray and hd-dvd players, gaming systems, and high-definition cable/satellite boxes.No drivers needed.4k resolution: hdmi switch can transmit video up to 4k @30hz, hdcp v1.4, 36bit-deep color and 3d support.Hd audio: support high definition audio such as dts digital, dolby digital, dts-hd and dolby true hd package include: 2-port auto high speed hdmi switch (2x1).1-year limited manufacturer warranty2-port automatic high speed hdmi amplifier switcher auto hdmi switcher lets you share a display between 2 consumer electronic devices or computers and prioritize your hdmi signals.The hdmi switch features a primary and secondary hdmi input port.This hdmi switch solves the problem by providing additional high-definition digital inputs for sources including dvd player, blu-ray, disc and hd-dvd players, gaming systems, and high-definition cable/satellite boxes.The auto switching functionality provides for a system that is easy to use, while manual switching functionality is available for situations where more control is desired.Specifications & features: supports hdtv resolutions up to 4kno external power neededchoice of automatic or manual switchingup to dts master audio and dolby digital truehd support1-year manufacturer warrantyvideo amplifier bandwidth: 2.5gbps/250mhzpower consumption: 5 watts (max.)power supply: dc 5v (optional)dimensions: 85mmw x 15mmh x 45mmdnet weight: 41 gram video format supported: vga : 640x480, 800x600, 1024x768, 1920x1200dtv/hdtv: 480i/576i/480p/576p/720p/1080i/1080p/2160p what’s in the box: 1 x hdmi 2 ports switcher1 x user manual power supply is optional.Device is self-powered thru hdmi cables.Note: for 4k, input hdmi cable less than 15ft, and output cable less than 30ft; for xbox, ps4 pro, roku tv stick and other products with hdmi2.0 or 4k@60hz, you need to connect devices by cable and refresh rate to 30hz than use our hdmi switch.