The HDMI switch connects up to four HDMI inputs to one HDMI display. In addition to simple switching between the 4 HDMI inputs, the Quad View feature is able to display video from 4 source devices at the same time on a single output device. The switch can also be daisy-chained to scale up the number of possible input devices. Connect 4 HDMI input signals to 1 HDMI display Switch via on-device button, hotkey, or remotely via RS-232 Supports HDMI resolution of 1920 x 1080 at 60 Hz Supports stereo LPCM and multi-channel Dolby Digital, DTS, Dolby TrueHD, DTS-HD (HDMI Embedded) Connectors: Input: 4 x HDMI female, 4 x USB Type-B female; output: 1 x HDMI female, 2 x USB Type-A female Includes: AC adapter, 48.3 cm (19") mounting kit