Feature:1. The high-definition video source and USB interface realize 2 paths that can be switched freely.2. Support up to 3840x2160 at 30Hz video resolution, compliance with HDMI 1.4 standard.3. Adaptive EDID/HDCP decryption, can adapt to a variety of complex application environments.4. Switched by button, which is convenient and quick, easy for you to operate.5. The switcher box support various USB devices such as HUB, U‑disk, printer, etc.6. Meets HDCP 1.4 standard - high-bandwidth digital content protection technology.7. Come with high compatibility, can auto-match source and display device.8. Built-in automatic adjustment system, which making the image smooth, clear and stable.Specification:Item Type: HDMI KVMColour: BlackResolution: 4k / 30hzInterface: HDMI + USBSwitching Method: Key switchover, keyboard switchoverMaterial: ABS.Package List:1 x HDMI KVM1 x User Manual2 x HDMI Cable