Tip: Considering video stability, give away 3 DP 1.4 cables as a gift (cables can support up to) 8K@60Hz ). You do not need to purchase additional DP cables (purchg 3 DP 1.4 cables separately is very expensive). All supporting facilities are complete, allowing you to save money and worry when using. DisplayPort KVM Switch 4K@60Hz YUV4:4:4(3840x2160),2K@144Hz /120Hz(2560x1440) 2 computer hosts share 1 DP monitor. 3 USB ports, supporting USB transmission. Support extended remote switch/host manual switch. No additional power is required for daily use. Long distance transmission or connection to high-power devices requires power, so we provide USB power cord. You only need to find a 5V1A household plug. Imported chips are used to enhance the compatibility range, improve the stability between KVM and DP equipment, and avoid flicker and black screen caused by compatibility. Product parameters: Name: DisplayPort KVM switch Output: DP × 1,USB-A × 3 Input: DP × 2,USB-B × 2 resolving power: 4K@60hz YUV4 :4:4(3840x2160), 2K@144hz/120hz (2560x1440) Material: iron shell Size: 158mm × 62mm × 18mm Attachment: 1 × Host + 3 × DP 1.4 cable + 2 × USB-B cable + 1 × Control extension switch + 1 × USB power cable + 1 × Instructions See more?Plug and play?Windows 10/8/7/XP/Vista (32/64 bit), Mac, Linux, Sun Solaris, DOS, Win3, WINNT, Netware and Unix. Plug and play, no driver installation is required. ?Support 2 switch methods?1. Support manual switch of the host. 2. Support extension cord control switch. Plug and play, no driver installation required. Please make sure to plug DP in 1 and USB in 1 to the same host. DP 1 in corresponds to USB 1 in. Mixed insertion of DP 1 in and USB 2 in is not supported. ?High chips, no power?Imported chips are used to increase the compatibility range, improve the stability between KVM and DP devices, and avoid flickering black screen phenomenon. The 2 USB-B ports not only support printer data transmission, but also power supply to the device. No additional power supply is required for daily use. But long-distance transmission or using high-power devices requires power, so we provide 1 USB power cable, you just need to find a household 5V1A plug. ?2 Port DP KVM switch?2 DP+2 USB input/3 USB output/1 DP output. Only 1 set of controls can control 2 computers. It's perfect for workstations, offices, or wherever you need to multitask between computers. You can easily switch and control USB devices and DP monitors on two computers at the same time.Important: It is recommended to use the DP1.4 version of the DP cable to avoid screen flickering problems at 4K@60Hz resolution. ?DP 4K 60hz output?Using DP 1.2 technology, the maximum support 4K@60hz 4:4:4 (3840 x 2160), 2K@144hz (2560 x 1440), 1080P@144hz (1920 x 1080), HDR10.(Three DP 1.4 cables are included in the box, so you don't need to purchase any more cables. Also avoid screen flicker problems. Complete all questions at once).