HDMI 4×1 Quad Multi-Viewer ? Input: 4xHDMI ports, Output: 1xHDMI port ?Supports HDMI1.3 version at resolutions up to 1920x1080P@60Hz ? Supports HDCP1.2 version 8-screen simultaneous display measured if use 3Output Cable Length: 1080P ?20m 24AWGInput Cable Length: 1080P ?15m 24AWGSupports stereo audio and sampling rate up to 48KHz 24bit devices;theoretical support 16-screen ? Supports One View Mode, POP Mode, Two View Mode, and Quad View Mode ? Supports hot-swapping of HDMI port ? Supports restart memory function and Infrared Remote ? DC 5V/2A?3.5*1.35*9.5mm? (interior is positive) power adapter is included and Infrared Remote control and 2M HDMI Cable*5 ? Supports MAC OS/Windows/Linux ? Dimensions: L164.5xW69xH19.5 (mm)”