ATEN CS1182H-AT-X. Keyboard port type: USB, PS/2, Mouse port type: USB, PS/2, Video port type: HDMI. HD type: 4K Ultra HD, Maximum resolution: 3840 x 2160 pixels, Video bandwidth: 30 Hz. Product colour: Black, Housing material: Metal. Power source: AC, AC input voltage: 100 - 240 V, AC input frequency: 50/60 Hz. Width: 163.9 mm, Depth: 335 mm, Height: 44 mm