Holiday Shipping Details & Extended Holiday Returns 
HDMIKVM 4x1 quad multi-viewer
Four switching modes, 4K @30Hz ultra-high-definition resolution, backward compatible, four computers share one display, can be switched by hotkeys, plug and play, no need to set.
Four switching modes
- single picture mode
- Quad split screen mode,
- Four-picture main and auxiliary A mode
- Four-picture main and auxiliary B mode
In four-screen main and auxiliary A mode, the main screen switching situation:
- Scroll Lock + Scroll Lock + 1 : switch 1 to the main interface
- Scroll Lock + Scroll Lock + 2: Switch 2 to the main interface
- Scroll Lock + Scroll Lock + 3: Switch 3 to the main interface
- Scroll Lock + Scroll Lock + 4: Switch 4 to the main interface
In four-screen main and auxiliary B mode, the main screen switching situation:
- Scroll Lock + Scroll Lock + 1 : switch 1 to the main interface
- Scroll Lock + Scroll Lock + 2: Switch 2 to the main interface
- Scroll Lock + Scroll Lock + 3: Switch 3 to the main interface
- Scroll Lock + Scroll Lock + 4: Switch 4 to the main interface
Resolution switching:
- Scroll Lock + Scroll Lock +R+0 : Switch to 1080P output resolution
- Scroll Lock + Scroll Lock +R+1 : switch to output resolution 4K@30Hz
One-button switch, convenient and quick
The toggle button switches the product on and off with one click You retracted a message Reedited
3.5mm stereo audio output
Audio channels can be switched via hotkeys in quad-screen mode
Switch channel indicator light, clear and clear
Signal source channel switching button and indicator light, switch to any signal source channel and the indicator light is on to know