Ran out of HDMl ports on your HDTV/monitor/projector?Want to reduce the mess of cables connected to it?Product Description:- This 3-Port 4K HDMl Switch has 3 HD input sources to provide plug-and-forget auto sensing capabilities that automatically switch inputs when a signal is detected- Build-in button to manually switch between the 3 sources- The HD Switch is powered from connected devices- No power adapter is necessary to make this switch work, as long as the connected devices supply sufficient power- HD cables have the capability to deliver power from connected sources.- Support up to 4K resolutions at 30fps, 36-bit Deep Color, 3D, and uncompressed/compressed audio formatsProduct Specifications- 3 HDMl inputs / 1 HDMl output- Supports 12-bit Deep color per channel; maximum of 36-bits across all channels- Supports 3D devices- Supports up to 4K resolutions- Supports compressed audio such as DTS Digital, Dolby Digital, DTS-HS and Dolby TrueHD- Cable Length: approx. 40cm- Color: BlackNOTEPlug-and-forget auto sensing only works correctly for devices that do not output continuous voltage over the HD port when turned off. Powering on a device gives it output priority over the other two devices. Output priority is given to the next device on the switch if the current output device is turned off. Make sure the connected devices supply enough power to the switch.Package Include:- 1 x 3-Port 4K HDMl Switch (Black)- Operation Manual