BW-21UHB 2 Port 2 In 1 Out HDMI KVM Switch 1. Switching: key switch 2. Driver: drive-free 3. Hot-swapping: support 4. Resolution: 4K x 2K@30HZ 5. Rated voltage: AC 250V 6. Insert material: nickel-plated brass 7. Outer: flame retardant PVC material 8. Cable length: about 1.2m Features: 1. 4K x 2K@30Hz resolution, HD picture quality, HDMI audio and video synchronization 2. Compatible with USB devices, U disk, USB printer, keyboard and mouse, etc. 3. Key switch with cable, switch the length of the cable up to 50m 4. Line machine integration, can be without other accessories 5. Plug and play, no need for any settings 6. Suitable for HDMI interface devices, such as computers, set-top boxes, smart boxes, HD players, game consoles and other devices and display devices 7. Button switch more arbitrary, connected to the device, touch the body button can quickly switch the workstation 8. Two screens, switch at will, built-in HDCP engine so that the 2 ports quickly switch 9. Through the 2 USB cable, you can connect the input port of the switcher to power, can quickly transfer images and control 2 devices, stable and efficient