Device Type: KVM / audio / USB switch - 4 ports Enclosure Type: Desktop, Ports: 4 x KVM / audio / USB, Num. KVM Local Users: 1 local user, keyboard / mouse interface: USB, Max Resolution: 1920 x 1200 / 1080p Features: Firmware upgradable, HDCP compliant, Video DynaSync, Compliant Standards: USB 2.0, Built-in Devices: USB Hub, interfaces: Keyboard and Mouse: 4 x USB Type B, 4-pole | Audio / Video: 4 x HDMI - HDMI Type A 19 pin | Audio: 4 x mini-phone stereo 3.5 mm | Microphone: 4 x mini-phone stereo 3.5 mm | 1 x Mini-phone 3.5 mm 4-pole - Management | Keyboard and mouse: 2 x USB Type A 4-pin | Audio / Video: 1 x HDMI - HDMI Type A 19 pin | Audio: 2 x mini-phone stereo 3.5 mm | Microphone: 2 x mini-phone stereo 3.5 mm, Power Device: Power adapter - external, Power Consumption Operational: 4.8 Watt, width: 7.3 cm, depth: 26.5 cm, height: 4.5 cm, weight: 0.5 kg, Accessories: USB-PS / 2 adapter Compliant Standards: RoHS, WEEE, Min Operating Temperature: 0 ° C, Max. Operating temperature: 50 ° C, Humidity Range Operating: 0 - 80%