1,Dual monitor output, support mirror mode, and extended mode, you can choose according to your needs. 2,The video resolution is up to 3840 x 2160 30Hz, presenting more image details. 3,Switched by physical button and external wired button. 4,Built-in ESD protection system, safe to use. 5,Compatible with multiple systems, no driver required, plug and play. 6,Widely used in business conferences, media teaching, office, gaming, etc. Video standard: HD 2.0 Maximum data rate: Up to 4K 30Hz Resolution range: Up to 3840 x 2160 30Hz, 1920 x 1080 60Hz Connector: HD-A interface HD cable range: <15M(Res:1920 x 1080 60Hz), <5M(Res: 3840 x 2160 60Hz) USB interface protocol: USB2.0 PC input: USB-B Output: USB-A Power supply: USB Power consumption: Maximum 4W Operating temperature: -5℃-and70℃ Operating humidity: 5%-90% Item size: 10 x 6.5 x 4cm /3.94 x 2.56 x 1.57in 1 x KVM switcher 2 x USB-B cable 1 x Extended control cable 2 x HD cable 1 x User manual1 x Plug Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store