This device distributes a HDMI signal to 4 devices, such as 4 televisions. It is ideal for bars or public establishments, where they need to spread what is being broadcast by a satellite receiver at the same time on 4 TV. The box is metal, its HDMI 1.3 version supports a maximum resolution of 1080P, 3D, HDCP 1.0 / 1.1 / 1.2. It includes power adapter. Support input up to 15meters 26AWG HDMI standard cable length, output up to 25meters