Black Box KVS4-1004V. Keyboard port type: USB, Mouse port type: USB, Video port type: DisplayPort. HD type: 4K Ultra HD, Maximum resolution: 3840 x 2160 pixels, Video bandwidth: 30 Hz. Product color: Black, Maximum cable length: 236.2" (6 m). Power source: DC, DC input voltage: 12 V, Input current: 3 A. Width: 8.78" (223 mm), Depth: 6.69" (170 mm), Height: 2.6" (66 mm)