The HDMI splitter has 1 x HDMI input and 2 x HDMI output. It uses a single HDMI source and splits it to 2 x HDMI compatible monitors / projectors. Supporting resolutions from Full HD to 4K, light weight, mobile and ultra-thin. The HDMI Splitter offers solutions for security surveillance, data centre control, information distribution, conference room presentations, school and corporate training environments. Please read this notice before purchasing: This product outputs two identical video images when running. Dual-screen expansion is not supported. ARC/eARC is not supported.