Brand new. Box was opened.

Dual Monitor KVM Switch 3 IN 2 OUT】This Dual Monitor KVM HDMI+DP Switch allows to control 3 computers by 1 set of keyboard & mouse and 2 monitors(Extend display mode or Copy display mode

【Support up to 4K@144Hz 】USB3.0 dual monitor KVM switch supports resolution up to 8K@60Hz/4K@144Hz.

【Dual Monitor KVM Switches with 4 USB 3.0 Ports】Dual monitor kvm switch with 4 USB 3.0 ports which can recognize keyboard,mouse,printer,scaner and other USB devices. USB 3.0 offers data transfer speeds of up to 5Gbps, while USB 2.0 offers data transfer speeds of only 480Mbps.☛Note:If the input USB3.0 ports are not connected to the KVM or connected incorrectly, the output USB device will not be recognized.

【2 Switching Mode& Indicator】This KVM Switch with 2 swtich methdos that are pressing the button on the panel and the wired controller（included).The two color indicator light will show which computer is the active computer.

【Extended Mode&Copy Mode】Dual display KVM switches require HDMI+DP connections per computer, and for computers with discrete and integrated graphics cards require the HDMI and DP port to be belong of the discrete graphics card.

【Wide Compatibility and Easy to Use】This dual monitor KVM switch is driver-free, plug and play.It is required that each connected computer have HDMI and DP port. Not recommended for devices connected to VGA and DVI ports

【Packing list】1*Dual Monitor USB3.0 HDMI DP KVM Switch+3*USB3.0 Cable(1.5m)+1*Wired Controller+1*User Manual