9x1 HDMI Multi-Viewer, designed for displaying and managing multiple HDMI sources on a single screen, suitable for control rooms, monitoring systems, display systems, cameras, and visual presentations. Specifications visible on the device: 9 HDMI inputs (Input 1 to Input 9). 1 HDMI output. Supports 4K Ultra HD. Multiple modes for splitting and displaying sources on the screen. Full Screen display capability. Independent indicator lights for the nine inputs' signals. Audio Switch button to control the audio source. IR receiver for control. Buttons to select display modes and layouts. Black metal casing. Suitable uses: Suitable for monitoring and control rooms, camera systems, operations centers, meeting rooms, exhibitions, professional displays, and presentation systems that require consolidating multiple HDMI sources onto a single screen. Condition: Used, external condition as shown in the pictures. The device shown is the same as in the pictures, and it can be inspected before purchase.