The HDMI Switcher allows access to multiple HDMI devices, such as DVD players and Satellite set-top boxes to one HDMI display. It routes high definition video (in multiple resolutions up to 1080P ) and digital audio from any one of the several sources to display units. No Extra power adapter required, Plug and Play.What a convenient and cost-effective solution! Feature -This mini HDMI Amplifier Switcher has many features that enable it to perform in a superior manner. Among those features you will find: -Supports 12-bit Deep Color,Full 1080p. -Multi-functional on switching:intelligent or mechanical. -Supports with HDMI 1.4b. -High performance up to 2.5Gbps . -Maintain high resolution(max 2160p), 4K*2K and computer resolutions up to 1920 x 1200 are easily achieved. Note : -Item can NOT be using reversal! -The HDMI switch gets power from input HD devices to work , if your input device cannot provide enough power , especially some SKY box models , you might need to keep other devices on to obtain enough power or use a 5V1A / 5V2A power adapter(Not Included with the item). -IR remote control is powered by lithium cell(CR2025), but it is not included in it. Specification : -Input video signal: 0.5-1.0 volts p-p -Input DDC Signal: 5 volts p-p (TTL) -Video output signal: HDMI1.4b + HDCP1.0 / 1.1 -VGA: 640480,800600,1024768,19201200 -DTV / HDTV: 480i / 576i / 480P / 576P / 720P / 1080i / 1080P -HDMI: HDMI 1.4 -Frequency: Up to250MHz -Field frequency: 60Hz -Bandwidth: 2.5Gpbs/250MHz -HDTV: support -Interlaced scanning(50 60Hz): 480i,576i,1080i -Progressive scanning(50 60Hz): 480P,576P,720P,1080P Package included: 1X HDMI switcher 1X remote control 1X IR cable 1x Power Cable