Holiday Shipping Details & Extended Holiday Returns 
HDMI KVM Switch 8K 60Hz Dual Monitor Display 4X2:
1080P@240Hz HDMI KVM Switch 4 Port Dual Monitor Extended Display, UHD 8K@60Hz RGB 4:4:4,IR Control, Button Switching, PC Monitor Keyboard Mouse Switcher for 4 Computers 2 Monitors
4 port kvm switch:
This kvm switch 4 computers 2 monitors allows 4 computers to share 4K dual displays and 4 USB 3.0 devices.
Stable Transmission & Ease of Use:
The kvm hdmi switch comes with a 12V1A external power adapter to ensure stable operation when connected to high-power devices. It is plug and play, requiring no additional driver installation.
Two switching modes:
The kvm switches allows for one-touch switching between 4 computers, using either the panel buttons or an external infrared remote (included).
8K@60Hz Ultra-High Definition Resolution:
The kvm switch dual monitor supports up to 8K@60Hz resolution, providing a truly realistic and vibrant display. It is also backwards compatible with 4K@60Hz, 1080P@60Hz, and 720P@60Hz resolutions.
Four USB 3.0 cables: Set includes four USB3.0 cables, no need to buy separately, very convenient!
DC12V power supply: The product requires the included DC12V power adapter to continuously power the product.
LED power indicator: The green power indicator under PC1 to PC4 clearly shows the active computer.
Packagest List:
The package includes 1*4 in 2 out KVM switcher, 4*USB 3.0 A to A cables, 1*12V1A external power adapter, 1* IR cable, 1*remote control (batteries not included), and 1*user manual.