Aoken 1080P HDMI to VGA Adapter Video Converter (Male to Female), with Micro USB, 3.5mm Audio Port Cable Black For PC Laptop DVD and Other HDMI Input Devices HDMI Splitter - It also can Switch between two input source devices and splitter the signal simultaneously to four displays.(the 4 display show the same picture at the same time) HDMI Switcher - Plug and Play. When connecting 2 different Input Source to four Display device, you can choose any one of the input source to the displays at the same time.(the 4 display show the same picture at the same time) HDMI Amplifier - With built-in automatic adjusting amplifier, it can regenerate the HDMI signal before sending it to the outputs by a long HDMI cable. This HDMI switch splitter selector supports single HD display for multiple sources, such as DVD Players and Satellite Receivers, Digital Projectors, A/V Receivers and Set Top Boxes. When a HDMI cable connects with HDMI output , the 2x4 switch/splitter can amplify the HDMI signal; Supporting highest video resolution 4K X 2K, 3D, 1080p/60Hz, HDMI1.4a.