?Stable work?KVM includes 12V power adapter.(the current provided by the PC host is small, and it cannot support USB devices such as hard disks). With the external power design, USB devices can obtain a stable working environment through the switch. If you have any questions during use, please contact us. We have a professional technical team to help you solve your difficulties. Within 12 months, we will replace the switch for free. ?Easy Switching?KVM switch is plug and play, no need to install software or drivers. Two switching methods are provided: 1. Just press the select button on the machine to switch the signal source; 2. Using the wired extension button, you can place the switcher outside the working area to make your desktop more tidy. NOTE: Keyboard shortcuts (hotkeys) toggles are not supported. ?USB 3.0 KVM Switch?HDMI display port KVM switch dual monitor with 4 USB 3.0 ports, can recognize mouse, keyboard, printer, U disk and other USB peripherals. USB 3.0 can provide up to 5Gbps transmission speed, which is 10 times faster than USB 2.0, and has obvious advantages when reading U disk or hard disk. At the same time, the switch is compatible with USB2.0 devices. ?HDMI2.1 + DP1.4?Dual monitors kvm switcher supports up to 8K@60Hz and 4K@120Hz screen display, and is backward compatible with 4K@60hz, 1080P, 720P etc; Brings you realistic visual enjoyment; KVM switcher also supports simultaneous connection of two signal sources with different resolutions, automatically identify the resolution when switching the signal source. ?Dual Monitor KVM Switch?KVM switch 2 ports allows two computers or laptops to share two HD monitors and 4 USB 3.0 ports, such as mouse, keyboard, printer U disk or gamepad, etc. It also support extended and copy mode display, if your computer support dual monitor display and have extended or copy function. Please note :whether the computer and monitor have DP and HDMI interfaces, otherwise you need to use a signal converter in conjunction with a switch to achieve the purpose.