StarTech.com 4 Port Professional VGA USB KVM Switch with Hub. Keyboard port type: USB, Mouse port type: USB, Video port type: VGA. Maximum resolution: 1920 x 1440 pixels, Scan interval: 3,8,15,30 s, Number of users: 1 user(s). Product colour: Black, Rack capacity: 1U, Housing material: Steel. AC input voltage: 110-240 V, Input current: 0.4 A, Output voltage: 5 V. Sustainability certificates: RoHS