MT-VIKI 4K@144Hz USB 3.0 HDMI KVM Switch 2 Port 8K@60Hz, MT-VIKI Aluminum KVM Switch HDMI 2.1, 4K@120Hz HDR for Games

Kindly Reminder:
1. Must use verify HDMI cable, 8K@60Hz is recommended.
2. Input and output cable cannot exceed 2.5 m( 8.2 ft) respectively;
Note: 8K HDMI cable is not included in the package.
3. If you want to output 8K60 or 4K144Hz, please ensure that both your input and output devices support it. ^^
KVM Switch for 2 computers: This 8K KVM Switch allows you two computers share one monitor, one set of keyboard & mouse, and 2 USB 3.0 Devices; Supports resolution up to 8K@60Hz and backward compatible 4K@30/60/120/144Hz, 2K@165Hz, 1080@240Hz. ^^ Two ways for
Switching: 1 Push button 2, Wire-desktop Controller; Blue LED indicator shows which port is active.;
[NOTE: Hotkey Switching is NOT Supported.
] ^^ Great Compatibility: This 8K KVM switch HDMI supports Windows 11/10/ 8.1 /8/7/Vista/XP, Mac OS, and Linux systems; Just plug and play, driver-free ^^
Package List: 1* KVM Switch, 2* USB 3.0 Cables, 1* Desktop Controller, 1* User Guide, 1* Power Cable (Power adapter is not included, if power insufficient, pls plug in DC5V1A USB adapter);
NOTE: 8K HDMI Cable is NOT INCLUDED ^^
IMPORTANT NOTED: It has a gain adjustment function. If there is no display, please continuously press the current port button for 3 times to adjust the gain. If the problem persists, please try multiple times. There are a total of 6 gain settings.