HDMI 4*1 KVM Switcher Superior Picture Quality 2 switching Modes Control 4 PCs at One TimeInput:4*HDMI, 4*USB 2.0-B Output: 1*HDMI, 2*USB2.0-A, 2*USB 1.1-A Support HDMI 2.0 Version Supports 20m 4K long distance transmission with HDMI cable 5M 28 AWG cable for input and 5m 28 AWG cable for output(4K@60Hz) 20M 24AWG cable for input and 20m 24 AWG cable for output(4K@30Hz) Video Decoding Format: HDCP2.2 1 HDCP1.4 Audio Sampling Rate: 192KHz 24bit (Max] Audio Format: DTS, DSD, Dolby AC3 5.1 & 7.1 Switch Control: Button 1 Computer Hotkey 1 Detecting & Switching System: MAC OS 1 Windows 1 Linux Support USB 5V±5% DC (5.5*2.1*10mm) power port Equipped with 4pcs USB2.0 1.5 meter lines (A male to B mlae) Equipped with Powerlne (1PCS): USB-A to DC (5.5*2.1*10mm) M/M Cable 1m Dimension: L144 x W80 x H26 (mm)