Input: 3*HDMI Output: 1*HDMI HDMI 2.0 version, support 4K*2K@60Hz, 3D, HDCP2.2 , EDID, Infrared Remote With DC 5V 1A(DC:3.5*1.35*9.5mm) power adapter, Infrared Remote control Supports 20m 1080P long distance transmission with HDMI cable 8M 28AWG cable for input and 8m 28AWG cable for output(4K@60Hz) 12M 26AWG cable for input and 12m 26AWG cable for output(4K@30Hz) 20M 24AWG cable for input and 20m 24AWG cable for output(1080P@60Hz) Supports audio format: DTS, DSD, Dolby AC3 and 5.1/7.1 channel Porduct size: L110*W65*H21 mm