FeaturesHDMI input x 3 / HDMI output x 1Ideal for connecting multiple devices to one screenSuitable for 4K Ultra HD at 30HzRemote control included - Needs a CR2025 Battery (Included)Powered by USB, 1m Micro USB cable includedUse the Nikkai HDMI Switch 3 Ports in 1 Port Out to connect multiple devices with one screen (TV, projector or LED monitor). This switch with 3 input ports can connect 3 devices at the same time which can avoid frequent disconnection and reconnection. Saving you time and money.4K resolution supported at 30Hz, so you can enjoy high-quality viewing at home or at work. Powered by USB, 1m Micro USB cable included.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.