Input: 1*HDMI Output: 2*HDMI HDMI 2.0 version, support 4K*2K@60Hz, 3D, HDCP2.2 , EDID, bandwidth speed up to 18Gbps Supports 40m 1080P long distance transmission with HDMI cable 8M 28AWG cable for input and 8M 28AWG cable for output(4K@60Hz) 20M 24AWG cable for input and 20M 24AWG cable for output(4K@30Hz) 20M 24AWG cable for input and 20M 24AWG cable for output(1080P@60Hz) Three-level cascade(More Devices) ABS+PET Support hot-plug, DTS, DSD, Dobly AC3 5.1, 7.1 Channel With DC 5V±5%/1A(3.5*1.35*9.5mm) power adapter Porduct size: L110*W65*H21 m