This is the switcher, a host connected to two monitors, can only be switched with each other, can not be 2 screens at the same time to display the screen. 1: Bi-directional 8K switcher/distributor: switcher allows you to connect two sources to one monitor (switching use) or connect one source to switch between two monitors (distribution switching) two screens can not be synchronized to display the same picture. 2: Ultra 8K Splitter for Dual 8K /Monitors: Supports 8K@60Hz, 4K@120Hz, and 1080P@240Hz resolutions, giving you a transfer rate of up to 48Gbps and backward compatibility with all previous standards. You will need to connect a standard cable to enjoy the visuals. Supports 8K display Simple installation Small size and easy to carry Note: If you want to output 8K@60Hz, 4K@120Hz, and 1080P@240Hz through a splitter in your monitor, make your source device, cable, and monitor all support the resolution and the refresh rate you need to output. Due to different batches, there may be differences in product appearance, color and text, which do not affect the use! size: 7.3 x 5.5 x 1.4cm Material: iron colour: black Package Contents: 1 x host 1 supply cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.