FeaturesHDMI input x 3 / HDMI output x 1Ideal for connecting multiple devices to one screenSuitable for 4K Ultra HD at 30HzRemote control included UK power supply includedUse the Nikkai 3-Port HDMI Switch 4K 30Hz Resolution to connect multiple devices such as a gaming console, set top box and computer with one screen such as a television or monitor. This switch with 3 input ports can connect 3 devices at the same time which can avoid frequent disconnection and reconnection. Selection of device can be made with the remote contol. 4K resolution supported at 30Hz, so you can enjoy high-quality viewing at home or at work. HDMI Input Devices:DVD Players, Blue-Ray Players, Camcorders, SAT Receivers, Digital cameras, PCs, MAC Notebooks, XBOX 360, PS3, PS4, Nintendo Wii U, Laptop, PC, TiVo, Vizio, Sony and many more.HDMI Output Devices:LCD TV, Plasma TV, TFT, Projector, HD-Ready or FULL HD TV. It is suitable for all HDMI devices. Backward compatible with older HDMI devices and gadgets.Max HDMI cable length that will work with the unit is 10m.